Cosmic Yak
Philosopher
The underlying problem with skepticism is that it demands someone else do all the work and present all the evidence.
I don't see that as a problem at all. If someone has a claim, then the burden of proof is on them. No-one is asking people to claim that ghosts exist, to continue with your example. It's not up to a sceptic to dig up evidence negating that claim before the claim has been made. Default position is that the phenomenon is unproven (not nonexistent, because you can't prove a negative in this context), and it will stay that way until a claim appears to be considered.
Eg when a skeptic asks for evidence for the existence of ghosts they are not taking a neutral stance and giving the people a chance to support their claim. The skeptic is invariably starting from the (correct) position that ghosts do not exist, but doesn’t want to have to prove their own position is correct.
Again, I think this is a misinterpretation of what scepticism is. Asking someone to support their claim is absolutely a neutral stance. If the evidence is there, and it is convincing, then the claim is supported. If not, then it isn't.
I also think you are making assumptions about the initial mindset of the majority of sceptics. I can only speak for myself here, but if someone claims something is true or real, then, if they can back that up, I'll accept it. I'm not automatically starting from the position that this claim is false. If I had an existing stance on this, then my request for evidence would be dishonest, because I'd know that nothing would change my mind. That isn't scepticism.
That said, there are very few genuinely new claims out there. Claims of the existence of ghosts have been around for pretty much all of human history. Any subsequent claim about them will be in the context of a sceptical look at all the previous claims, and the realisation that none of them have been in any way conclusive, nor even persuasive. In that respect, then, there is a pre-set standpoint, that any future claim of ghostly goings-on will have to overcome.
Finally, of course, there is the problem of proving that something does not exist. In the case of ghosts, and related claims such as telekinesis, we actually do have evidence (QFT) that their existence is not possible. For other claims (UFOs, for example), this is less straightforward.
From a critical thinking perspective what we should be doing is weighing the evidence for BOTH sides and using that to reach a conclusion as to how likely each possibility is. You can still get to valid conclusions (eg “ghosts likely do not exist”) but it takes work and positive arguments/evidence of your own and sounds like you are hedging while saying “you haven’t proved to my satisfaction that ghosts exist, therefor they are not real” is easy and sounds authoritative.
This is the old 'hard atheism' thing again. The "correct" conclusion would be "you haven't proved ghosts exist, therefore I have no reason to think they do exist".
