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Human and Animal rights...the same thing?

Wolfman

Chief Solipsistic, Autosycophant
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This thread is started as a result of discussions here and here, in which Desi made comments regarding animal rights. Here are the relevant posts:
As a skeptic, I am generally suspicious of cultural norms. People are raised from birth to accept a certain set of values without really knowing why they're true. Even things that people take for granted, like prohibitions on murder other humans, I've found that most people don't really have a very good understanding of the issue.

I've personally been interested in animal rights for the past 6 or 7 years. I was initially on your side, until I actually took the time to participate in discussions. In pretty much every serious discussion on the topic, I find arguments against animal rights notoriously uncritical ("they're tasty" which automatically justifies slaughtering people for the same reason, "we're omnivores" as if the naturalistic fallacy doesn't count in this case, "they aren't rational" with no explanation for why non-rational humans are always morally advantaged over mentally similar animals, "animals aren't people" as if species was a moral characteristic). Just recently I came across "might makes right".

The real serious arguments that justify a moral distinction between humans and non-human animals just aren't there, its a cultural norm which has no rational basis in anything.

As a skeptic, I've generally come to the conclusion that there is no credible moral distinction between humans and mentally similar animals, they're moral equals.

and

Yes, animals and mentally similar humans are moral equals. Arguments against animal rights are problematic because they unavoidably carry over to arguments the human rights. For example, if I make an argument that animals have no rights because they aren't rational moral agents, I must concede that mentally similar humans are no more advantaged; if I argue that non-rational humans have rights, I must concede that rationality is not a prerequisite for moral consideration, and such a principle logically carries over to non-human animals. Animal rights and human rights are two sides of the same coin.
While I sympathize with such arguments, I disagree with them...they seek to depict an equivalency that, in my opinion, just doesn't exist.

First, Desi uses something of a straw man argument, with the statement that, "if I make an argument that animals have no rights because they aren't rational moral agents, I must concede that mentally similar humans are no more advantaged." Yet I would never argue that one's mental state or rationality are the determining factor in how people or animals should be treated. The level of intelligence, their ability to reason, their ability to make choices...I do not consider any of these to be reasons "why humans should be more advantaged"; and thus, the comparison to animals is entirely moot.

Desi will call me "chauvinist" for this, I know...but humans are valuable to other humans for the simple reason that they are human. This is a biologically determined imperative which is, in fact, absolutely necessary for the survival of our species. Likewise, a great many animals (who do not share our capacity for moral distinctions or rational thought) will value other animals of their own species...because that is what they are biologically programmed to do. Mother ducks protect their babies because evolution has taught them to; it has likewise taught them to raise an alarm and warn other ducks (even those who are not immediate family) because evolution favors that reaction.

Perhaps the problem here is that Desi draws a distinction between 'human' and 'animal' that I don't think exists. I'm an animal. My particular species is human. I therefore place a priority on the welfare of other humans. Just as a great many other animals will do.

Do I evaluate the worth or value of a human life based on their mental capability? No, absolutely not! A human who is comatose has every bit as much right to protection as a human who is fully aware and functional. A human who is mentally retarded has every bit as many rights as a human who is a genius. It is the fact they are human which gives them those rights, and those protections...not their mental status.

Allow me to take Desi's argument to a logical extreme. There's a serial rapist, who's been caught, and confessed to his crimes. Should we argue that the question of "how we treat him" should be based on how rational he is?!? That depriving him of his freedom and rights means that we must likewise consider the freedoms and rights of every other human with an equal level of rational thinking to be worthless?

Of course not.

Fundamentally, the purpose of humanity is to survive, and to propagate. This is not something that I've decided as a "human chauvinist"...it is something that is a basic biological fact. It is the very reason why I exist, and why Desi exists. Lacking that biological imperative, not I, nor Desi, nor any other human being would even be here today to engage in such debates. Now, there are certainly goals and values beyond mere survival and propagation -- and those goals and values are largely what separate us from the rest of the animal kingdom.

To again take Desi's argument to a logical (if ludicrous) extreme, let's say that I see an earthworm, wriggling on the sidewalk after a rain storm. If left where it is, it will drown. It is able to sense a stimulus (the rain water), which is more than a human in a coma can do; it is able to take action in response to that stimulus (to try to escape the water), which is more than a human in an coma can do; it is able to move about under its own power (which is more than a human in a coma can do)...

...by Desi's argument, if I simply fail to pick up that earthworm and move it to safety...if I knowingly leave it where I know that in all probability it will die...then I must conclude that treating all humans of equal or lower functioning levels to that earthworm likewise deserve to be treated the same way; that ignoring that earthworm is equivalent to ignoring any human in a similar situation.

Which, at least to me, is not only fundamentally ridiculous, but also impossible to act on in any practical manner whatsoever.

Animal rights are an important issue; and certainly are something we should be concerned about, and involved in. But not for the reasons that Desi gives.
 
Dear Wolfman,

I'm interested in animal welfare, to the point of changing what I eat and drink. My best defense of the specialness of humans is that humanity went to the moon. We are the only species that can wilfully increase our potential relative population density, by the discovery and application of ideas. Those ideas, that capacity, let us go to the moon, which is an example of increasing our power to survive. No other known species can do this.

Severely mentally retarded people, as best I can tell, are pets we keep for old time's sake, like how we don't eat dogs. That probably sounds hateful to say, but there you have it; if anyone has a good counterargument, I'm all ears. Most people, even mentally retarded ones, can participate in the realm of ideas, albeit some with difficulty. The true idiots we honour for being human-shaped and make sure they have sufficient pudding.

Cpl Ferro
 
Humans are the most capable beings on Earth, and therefore we eat/kill what we want. The most capable animal survives and flourishes.
 
I haven't thought deeply about animal rights although I think humans should treat animals humanely, with the realization that that is so vague as to be fairly meaningless. But on superficial examination my response to advocating for animal rights is, exactly what rights do animals get? Do they all get the same rights? If some get different rights how do we decide? How are the rights enforced? How far down the chain do rights go, e.g. the point in the OP about worms, and at the point down the chain the rights stop, why does it stop there instead of higher up or lower down? If animals have rights then why not plants?

Yadda, yadda. IOW, although "animal rights" sounds good at least to some degree in theory, the practical aspects of it just seem overwhelming.
 
As a skeptic, I've generally come to the conclusion that there is no credible moral distinction between humans and mentally similar animals, they're moral equals.

Who makes the distinction between what is a mentally similar animal and what isn't? I've known horses that were pretty clever and some that were downright dumb animals. Does the smart horse have more rights than the dumb one or does the dumb horse get a pass because some horses are smart?
 
Who makes the distinction between what is a mentally similar animal and what isn't? I've known horses that were pretty clever and some that were downright dumb animals. Does the smart horse have more rights than the dumb one or does the dumb horse get a pass because some horses are smart?
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We do that with humans.
Look at unions.
The least capable member of a labor group sets the pace for the rest of them.
They don't to do any more work than that person does.
 
This is a biologically determined imperative which is, in fact, absolutely necessary for the survival of our species.
This is just false. Kinship relationships dominate among social animals, and I don't think you'll be able to identify a species that has perished due to a lack of equal, mutual, reciprocal concern among all individuals.

Human beings do have a (non-unique) capacity to extend the circle of concern beyond the edges of the kin group, to the greater tribe (ethnic group, nation, race, species, whatever) but there's no obvious reason why this should stop at the boundary of the species, and in fact we routinely treat animals like family.

Perhaps the problem here is that Desi draws a distinction between 'human' and 'animal' that I don't think exists. I'm an animal. My particular species is human. I therefore place a priority on the welfare of other humans. Just as a great many other animals will do.
My particular race is white. I therefore place a priority on the welfare of other white people. Just as a great many other races will do.

You aren't justifying speciesism here--you're just trying to pass tribalism off as a self-justifying state of affairs. That doesn't work.

Do I evaluate the worth or value of a human life based on their mental capability? No, absolutely not! A human who is comatose has every bit as much right to protection as a human who is fully aware and functional. A human who is mentally retarded has every bit as many rights as a human who is a genius. It is the fact they are human which gives them those rights, and those protections...not their mental status.
Why? What is it about being human that grants rights?

Imagine that we discover a population of people who, it turns out, have speciated. They have approximately the same capacity for language, reason, desire that we do. They act like us, even if they aren't members of the same species. Is it your position that we'd be within our rights to exterminate them, take their lands, enslave them, experiment on them, whatever else we think might benefit our species, presuming that this wouldn't have any negative consequences for us?

Allow me to take Desi's argument to a logical extreme. There's a serial rapist, who's been caught, and confessed to his crimes. Should we argue that the question of "how we treat him" should be based on how rational he is?!? That depriving him of his freedom and rights means that we must likewise consider the freedoms and rights of every other human with an equal level of rational thinking to be worthless?
Nothing about moral properties driving moral consideration implies that other considerations (such as blameworthisness) are not relevant in a criminal justice system.

Fundamentally, the purpose of humanity is to survive, and to propagate.
I don't agree, there's no evidence for this, and I don't think there can be any evidence for this. You're engaged with teleological reasoning about non-teleological processes.

Lacking that biological imperative, not I, nor Desi, nor any other human being would even be here today to engage in such debates.
You're compounding error with error here. The contingencies of my existence do not impart moral lessons simply because they are contingencies. Sex is also a necessary precursor to existence for all of us, and there is, I suppose, a biological drive to engage in it (much more immediate and obvious than any biological reproductive drive), but few would be crazy enough to suggest that there's a moral lesson in that. It's just something we do.

Which, at least to me, is not only fundamentally ridiculous, but also impossible to act on in any practical manner whatsoever.
It seems pretty easy to act upon to me: turn off Terri Schiavo's life support.
 
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Human and animal rights.

I'd need to know what animal rights exist when humans are completely absent.
Then, I'd like to know how we know that.
 
I think as soon as a species can reciprocate rights then they qualify for equal treatment under them.

For now rights are something humans define in their own conscience. Humans personify animals and I think within that lies a problem.

We don't care what the animals think, we are just trying to feel better because we think we can put ourselves in their paws so-to-speak and that's how WE would feel under the same circumstances.
 
Rights come from me - from what I assert for myself and what I grant to others.

As far as I am concerned, 'human rights' are a subset of 'animal rights', which are simply a profound respect for life.

I think Desi, as portrayed through her quoted posts, is correct.

I currently am a carnivore, but have been seriously considering giving up meat.

I would consider protecting most animals over most people a moral act.

I am not in favor of experimentation on animals.

I have been giving all of this a lot of thought recently, and am moving to bring my actions into accord with my thoughts.
 
I'm not particularly an advocate of animal rights although I would draw the line at causing suffering to an animal for no particular reason or being unnecessarily cruel. Animals don't particularly participate in our society - they don't have responsibilities and they don't have rights afforded to them.
 
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We do that with humans.
Look at unions.
The least capable member of a labor group sets the pace for the rest of them.
They don't to do any more work than that person does.
Any vague or non-vague proof of that? I have not observed that in any position I have held in my life (so, admittedly anecdotal) whether what I was doing was union or not-union.
 
Rights come from me - from what I assert for myself and what I grant to others.

As far as I am concerned, 'human rights' are a subset of 'animal rights', which are simply a profound respect for life.

I think Desi, as portrayed through her quoted posts, is correct.

I currently am a carnivore, but have been seriously considering giving up meat.

I would consider protecting most animals over most people a moral act.

I am not in favor of experimentation on animals.

I have been giving all of this a lot of thought recently, and am moving to bring my actions into accord with my thoughts.
As long as you do not try to force your view on others, that is fine!!:)
 
I suppose I shouldn't comment, as I'm currently getting paid to design things which will cause animals pain...
 
Hi Wolfman,

First, thank you for your politeness in responding to what a lot of people would consider a microminority and even a fringe view, I really appreciate it :).

Wolfman said:
First, Desi uses something of a straw man argument, with the statement that, "if I make an argument that animals have no rights because they aren't rational moral agents, I must concede that mentally similar humans are no more advantaged." Yet I would never argue that one's mental state or rationality are the determining factor in how people or animals should be treated. The level of intelligence, their ability to reason, their ability to make choices...I do not consider any of these to be reasons "why humans should be more advantaged"; and thus, the comparison to animals is entirely moot.
You certainly do, and I'm willing to be you make these distinctions everyday. See here:
Dessi said:
Every single important moral characteristic that makes a person's life valuable is tied directly to some mental level, like a capacity to feel pain, pleasure, have wants, expectations, make moral decisions, and so on. The only way reason we can even have a coherent conversation about morality in the first place is because people want or avoid certain things, they can prefer some experiences and outcomes over others. Without references to a person's preferences to avoid pain, there's no possible way to make a moral distinction between performing surgery on an unanesthetized person vs an anesthetized person; if a person has no such preference to avoid pain, which would be the case if they're a corpse, then their really isn't a moral distinction.

You can see the distinction between sawing open a living person and a corpse, you can see a distinction between adults having sexual relationships with other adults and children, you can see the distinction between shooting spitballs at a person and using a blowtorch on them, you can see the distinction between a 3 week old embryo and a fully rational human. If you're a parent, you're already very much aware that children lack the rationality and capacity to care for themselves, so there's an argument for paternalistic care of them which generally does not apply to rational, able-bodied adults.

The only possible frame of reference to make these distinctions is by reference to some difference in a person's mental level, capacities, abilities, rationality, or intensity of experiences.

Desi will call me "chauvinist" for this, I know...but humans are valuable to other humans for the simple reason that they are human. This is a biologically determined imperative which is, in fact, absolutely necessary for the survival of our species. Likewise, a great many animals (who do not share our capacity for moral distinctions or rational thought) will value other animals of their own species...because that is what they are biologically programmed to do. Mother ducks protect their babies because evolution has taught them to; it has likewise taught them to raise an alarm and warn other ducks (even those who are not immediate family) because evolution favors that reaction.
I find this ethic alarming for two reasons:

1) Moral imperatives derived from evolution are false, because evolution not a noramative moral theory. Even if it were, its certainly not a human rights moral theory, since its wholly consistent with evolution to compete with members of your own species. We are equally justified by evolution cooperating with our own neighbors as we are enslaving him and harvesting his property and organs for our own use. On a grander scale, slavery and ethnic nationalism can be defended by the very same "biologically determined imperatives" to maximize the survival of ourselves and immediate population. Of course, no one takes those arguments for social darwinism seriously because because evolution is not a moral theory -- its descriptive, not prescriptive.

2) The statement that we value humans because their humans depends on the unjustified premise that species membership is a morally relevant characteristic. Bernard Rollin can explain better than I do, p 496:
Bernard Rollin said:
Although different philosophers have approached the issue from different philosophical traditions and viewpoints, it is possible to finnd a common thread in their arguments questioning the moral acceptability of invasive animal use. Drawing succor from society’s tendency during the past 50 years to question the exclusion of disenfranchised humans such as women and minorities from the scope of moral concern, and the correlative lack of full protection of their interests, these philosophers applied a similar logic to the treatment of animals. In the firrst place, there appears to be no morally relevant difference between humans and at least vertebrate animals, which allows us to include all humans within the full scope of moral concern and yet deny such moral status to the animals. A morally relevant difference between two beings is a difference that rationally justifies treating them differently in some way that bears moral weight. If two of my students have the same grades on exams and papers, and have identical attendance and class participation, I am morally obliged to give them the same ?nal grade. That one is blue-eyed and the other is brown-eyed may be a difference between them, but it is not morally relevant to grading them.

Philosophers have shown that the standard reasons offered to exclude animals from the moral circle, and to justify not assessing our treatment of them by the same moral categories and machinery we use for assessing the treatment of humans, do not meet the test of moral relevance. Such historically sancti?ed reasons as “animals lack a soul,”“animals do not reason,” “humans are more powerful than animals,” “animals do not have language,” “God said we could do as we wish to animals” have been demonstrated to provide no rational basis for failing to reckon with animal interests in our moral deliberations. For one thing, while the above statements may mark differences between humans and animals, they do not mark morally relevant differences that justify harming animals when we would not similarly harm people. For example, if we justify harming animals on the grounds that we are more powerful than they are,we are essentially affirming “might makes right,” a principle that morality is in large measure created to overcome. By the same token, if we are permitted to harm animals for our bene?t because they lack reason, there are no grounds for not extending thesame logic to non-rational humans, as we shall shortly see. And while animals maynot have the same interests as people, it is evident to commonsense that they certainly do have interests, the fulfillment and thwarting of which matter to them.

The point here is that we can make a distinction between animals and humans, that they belong to different species, but its not exactly obvious that its a morally relevant distinction. More to the point, I think its notoriously difficult to make an argument that it is without simultaneously justifying moral distinctions drawn on race, gender, intelligence, age, height, or any other characteristic real or imagined. See here:
Dessi said:
I take it that the statement "race is a social construct" is intended to undermine "scientific racism". In other words, if race is demonstrably a social construct, then there is no justification for the racists essentialist view that that the races are fundamentally different from each other.

I can see why people would make the statement, I just don't think its the best argument against racism. For what its worth, in the animal rights community, there's a popular essay titled Species is a Social Construction which makes the same argument, only generalized to species as well. I don't agree with the title of the essay, but I agree substantially with the arguments made in it (please excuse the lengthy excerpt, it's necessary for context):

[T]he philosopher Carl Cohen writes:
We incorporate the different moral standing of different species into our overall moral views; we think it reasonable to put earthworms on fishhooks but not cats; we think it reasonable to eat the flesh of cows but not the flesh of humans. The realization of the sharply different moral standing of different species we internalize… In the conduct of our day to day lives, we are constantly making decisions and acting on these moral differences among species. When we think clearly and judge fairly, we are all speciesists, of course. (Cohen, 62)​
I would first note that Cohen is using the term "speciesist" incorrectly, since he is talking not about the importance of "species" but about the importance of qualities that are correlated with our perceptions of species. His argument is therefore irrelevant because it ignores Singer’s point that individuals of different species (and individuals of the same species) should be treated differently insofar as they have morally relevant differences- just as men have no right to an affordable mammogram and wealthy white men have no right to the benefits of affirmative action. But what I really want to draw attention to is the question, what does Cohen mean by "species"? One might think that it would be giving Cohen the benefit of the doubt to just name one, preferably one that is accepted by many experts. Let's suppose, for instance, he is talking about Mayr’s biological species concept, which defines a species as a group of individuals capable of interbreeding and producing fertile offspring. But surely Cohen does not believe that when we "are constantly making decisions and acting on these moral differences among species,” we are making our decisions based upon matters of who is capable of breeding with whom. For, not only do we not need to know any information about the mating capabilities of these animals to make moral distinctions between them; most of us wouldn’t even know what to do with this kind of information if we had it!

So perhaps Cohen means a "commonsense" concept of species. That is, what is morally relevant are the distinctions that we are all capable of making simply by looking, with no scientific or philosophical training. What is morally relevant, in other words, is appearance. Yet I doubt that when Cohen wrote this passage he had appearance in mind as a morally relevant characteristic. For Cohen, unlike Darwin, the difference between humans and other animals is not merely one of degree, but one of kind. It is difficult to imagine how Cohen might hold this essential difference of kind to be based upon appearance. More likely, he would probably claim that we make distinctions between species based upon appearance, but it is not the appearance that is morally relevant but something else that is inevitably correlated with appearance. For instance, we distinguish between worms and cats based upon how they look, but the morally important distinction is ‘something else’ that is correlated by appearance.

But unless someone can tell us what this ‘something else’ is, it is only prudent to assume that it is a "vivid illusion,” as biologists Frank Keil and Daniel Richardson argue in "Species, Stuff, and Patterns of Causation" (Keil and Richardson in Species, 273). And remember, this ‘something else’ cannot be intelligence, self-awareness, language, or capacity for suffering, because then those properties would be the morally relevant characteristics- but no one argues that they are equivalent to "species.” This ‘something else’ must simultaneously satisfy at least two conditions, which I believe is impossible. First, it must correspond with what we really mean when we talk about species, and second, it must at least be plausible that it is really the basis of our moral distinctions between supposed species. Mayr’s biological species concept and species concepts based on genes or DNA, for instance, do not satisfy the second condition. And properties like rationality and language do not satisfy the first condition.

In other words, my main reason for saying that species is socially constructed is that we often unconsciously argue as if species has an essence; as if there is something about species in the background that can not be described, but which can simultaneously satisfy both the first and second condition. Given the basis of any species concept, few would argue that that basis is morally relevant in any significant way. Given the basis of Mayr’s biological species concept, few would argue that whom we have the ability to mate with is a relevant characteristic for determining how much moral consideration we should be granted (Lewis Petrinovich may be an exception, though his work is not altogether clear on the matter). Given the major basis of commonsense notions of species, few would argue that how we look should determine how much moral consideration we should be granted. Why, then, do some philosophers hold that our species can determine how much moral consideration we should be granted? I believe it is because they do not equate species with any biological or commonsense way of determining species. Rather, they are probably committing Washoe’s fallacy, thinking of species membership as some essential characteristic of an individual that, in reality, does not exist.
When people say race -- or species -- is a social construction, what they really mean is that race is not a morally relevant characteristic, knowing a person's race does not communicate any information about whether that person deserves food, shelter, or to be free from harm. Whatever properties determine a person's moral worth, like their capacity to feel pain and pleasure, rationality, morally reciprocating, are, by definition, the morally relevant characteristics we care about, and none of those characteristics are equivalent to race at all.

I don't think its necessary to deny that race really is a characteristic of human populations. The line of thought above is more than adequate to totally undermine any rational argument for racism (or speciesism).
(Mumblethrax made the same point in a lot less words.)

You can say that a capacity to feel pain and pleasure is a morally relevant characteristic, because I'm harmed when I'm in pain and generally benefit when I'm happy, this capacity allows me to rationally prefer some outcomes to others. You can say a capacity to enjoy software develop is morally relevant, since depriving me of writing software harms me and allow me to pursue it generally benefits, so this capacity allows me to rationally prefer some outcomes to others. You might say that an interest in my continued existence is morally relevant, since depriving me of my existence harms me and respecting my continued existence is a benefit, so this capacity allows me to rationally prefer some outcomes over others.

Species membership, on the other hand, seems irrelevant. By the capacity of being humans, I'm harmed by being deprived of... what? I benefit by pursuing... what? In what way does my species membership communicate the ways I can be helped or harmed? It doesn't. I suppose you could say certain capacities, like being rational or feeling pain, correlate with different species, but then the morally relevant characteristics are rationality and capacity to feel pain, not necessarily species membership.

This is a huge problem -- its not clear how or why species membership is relevant in the first place, it doesn't tell us much of anything to make a moral decision by. In fact, as far as I'm concerned, species membership is totally irrelevant. As a startling consequence, I'd go even further and say that human life has no intrinsic value, a person's species membership has no relevance whatsoever. And no, life, in and of itself, is not relevant either, see here:
Dessi said:
Ethical vegans will almost universally acknowledge that life, in and of itself, isn't valuable. Its not biological life that matters, but biographical life and life which has an experiential welfare -- like the capacity to feel pain, pleasure, satisfaction, suffering, see one's self over time, have wants, expectations, and so on.

Plants, salmonella, ants, AI opponents in video games and such have no mental life. In what way is something harmed if it has no experiences whatsoever? How do you make an argument that being killed or staying alive is in an organisms best interests if it cannot, even in principle, prefer one outcome or the other? What moral characteristics do they have at all? Name just one which makes them comparable to an organism with experiential welfare.

This is not a controversial point of view. I'm quite certain that you support abortion up to a certain point, likely support non-voluntary euthanasia for people in a permanent vegetative state -- you might have your talking point reasons in debates, but if you're anything like me, you've probably wondered what moral characteristics early term fetuses or vegetative humans even have, how do you even harm something without a mental life in principle?

Human life is not an exception. If human life matters, we need to state the reasons why it matter, a task which requires some reference to whatever morally relevant characteristics they have. In the case of humans, they have a capacity to feel pain, pleasure, satisfaction, suffering, have some level of rationality, make moral decisions, and have many other characteristics which are tied to their mental level. Certainly you can understand that these capacities are not unique to humans, many non-human animals have them as well, so we have no reason not to take them into consideration in our moral decisions.

Allow me to take Desi's argument to a logical extreme. There's a serial rapist, who's been caught, and confessed to his crimes. Should we argue that the question of "how we treat him" should be based on how rational he is?!? That depriving him of his freedom and rights means that we must likewise consider the freedoms and rights of every other human with an equal level of rational thinking to be worthless?
Somewhat odd example. Almost every court in the world considers a person's rationality at the time they commit a crime. In the US, we call it the doctrine of mens rea, or "guilty mind". This distinction is one of the reasons why crimes of passion and accidental injury are prosecuted much less harshly than crimes involving premeditation.

With that said, I think there are a very good utilitarian reasons for confining a person who a public danger, are very good arguments Kantian arguments why a person who knows what they're doing and whose actions affect the outcome of some event bears the weight of praise of blame, and very good social contract reasons why a person who voluntarily infringes on the rights of another voluntarily forfeits his own. No matter what perspective, it seems that the arguments for confining people who public danger generally do not carry over to law-abiding citizens. A consequence, you might say freedom is a contingent right, not an inherent right.

Fundamentally, the purpose of humanity is to survive, and to propagate. This is not something that I've decided as a "human chauvinist"...it is something that is a basic biological fact. It is the very reason why I exist, and why Desi exists. Lacking that biological imperative, not I, nor Desi, nor any other human being would even be here today to engage in such debates. Now, there are certainly goals and values beyond mere survival and propagation -- and those goals and values are largely what separate us from the rest of the animal kingdom.
See discussion on evolution above. You have no such biological imperative to procreate. "Biological imperatives" as a general matter do not exist. Evolution is descriptive, not prescriptive, it has nothing at all to do with the way people ought to make ethical decisions.

To again take Desi's argument to a logical (if ludicrous) extreme, let's say that I see an earthworm, wriggling on the sidewalk after a rain storm. If left where it is, it will drown. It is able to sense a stimulus (the rain water), which is more than a human in a coma can do; it is able to take action in response to that stimulus (to try to escape the water), which is more than a human in an coma can do; it is able to move about under its own power (which is more than a human in a coma can do)...

...by Desi's argument, if I simply fail to pick up that earthworm and move it to safety...if I knowingly leave it where I know that in all probability it will die...then I must conclude that treating all humans of equal or lower functioning levels to that earthworm likewise deserve to be treated the same way; that ignoring that earthworm is equivalent to ignoring any human in a similar situation.

Which, at least to me, is not only fundamentally ridiculous, but also impossible to act on in any practical manner whatsoever.
Perhaps then we can only be faulted for behaving in ways which are in our control. For example, you may value human life, but I won't necessarily fault you for failing to control the movement of the earths crust in spite of the fact that earthquakes and tsunamis kill 1000s of people a year. Perhaps picking up every earthworm falls into this category, perhaps failing to police every ecosystem in the billions of square km of land and trillions of cubic liters of water to eliminate predation falls into that category too.

On the other hand, you can be faulted for behaving in ways which you are in control. For example, hunting, or a non-vegan diet, any number of other behaviors which consciously harm to non-human animals in ways that otherwise could have been avoided.

That's the logical implication of the principle you have above: minimize the harm you cause in the ways which are easy and practical for you to do so. This is the principle that every animal rights activist on the planet uses to argue for a veganism. Seems you've already justified animals rights, you already hold the requisite principles for it, you just didn't know it.
 
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Humans are the most capable beings on Earth, and therefore we eat/kill what we want. The most capable animal survives and flourishes.
Some humans are more capable than others. By your own argument, they should be able do whatever they want to less capable members. Might makes right, after all.
 
I haven't thought deeply about animal rights although I think humans should treat animals humanely, with the realization that that is so vague as to be fairly meaningless. But on superficial examination my response to advocating for animal rights is, exactly what rights do animals get? Do they all get the same rights? If some get different rights how do we decide? How are the rights enforced? How far down the chain do rights go, e.g. the point in the OP about worms, and at the point down the chain the rights stop, why does it stop there instead of higher up or lower down? If animals have rights then why not plants?
See here:
Dessi said:
Ethical vegans will almost universally acknowledge that life, in and of itself, isn't valuable. Its not biological life that matters, but biographical life and life which has an experiential welfare -- like the capacity to feel pain, pleasure, satisfaction, suffering, see one's self over time, have wants, expectations, and so on.

Plants, salmonella, ants, AI opponents in video games and such have no mental life. In what way is something harmed if it has no experiences whatsoever? How do you make an argument that being killed or staying alive is in an organisms best interests if it cannot, even in principle, prefer one outcome or the other? What moral characteristics do they have at all? Name just one which makes them comparable to an organism with experiential welfare.

This is not a controversial point of view. I'm quite certain that you support abortion up to a certain point, likely support non-voluntary euthanasia for people in a permanent vegetative state -- you might have your talking point reasons in debates, but if you're anything like me, you've probably wondered what moral characteristics early term fetuses or vegetative humans even have, how do you even harm something without a mental life in principle?

If plants have rights, just name their morally relevant characteristics and we can have a discussion on the subject.

Until then, it seems Wolfman's OP implies that people generally have a obligation to minimize the harm that they cause in the ways which are easy and practical to do so. Maybe we can't avoid stepping on all worms, but its certainly easy enough to avoid stabbing a cat in the eye, so we should be doing at least that much.
 

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