I'm not sure I understand, what is there to gain by scientists being dogmatically loyal to a "failed" theory?
I don't understand it either elbe, but those dark flows and holes simply don't jive with inflation theory.
If a different theory were more accurate and allowed for better predictions,
As far as I know, there have been no successful predictions of inflation that were correct from the very start. All the 'predictions' of inflation theory have actually been 'postdictions' based on manipulating the math to make it fit a specific observation.
then why wouldn't they be anxious to put themselves in a position to expand human knowledge?
Some people are anxious to do exactly that. There are other EU advocates here on this website in fact. Some of the EU antagonists here are in fact asking honest and fair questions with every desire to do exactly that. Unfortunately that isn't true of everyone, but it's probably true of most folks. Major changes in astronomy typically take time. Even GR theory wasn't accepted in a day or a week or a month.
A lot of this sounds like standard creationist claims,
EU theory isn't even a creationist theory, nor is it related to religion in any way.
Well, put it this way. If I doubt the existence of gravity, I can verify it's effect on me in any number of ways. I need not have 'faith' in the existence of gravity, I experience it on a daily basis. Electricity is also something I do not need to have "faith' in. I can see it has a tangible effect on nature. Inflation doesn't even exist in nature anymore according to mainstream theory, so there is no way to verify it has any 'cause/effect' relationships to anything in nature. I must in fact 'take it on faith" that there *WAS* such a cause/effect relationship between inflation and physical things in the universe in the very distant past. It's not like gravity theory or electrical theory in that respect.
but they don't have science on their side
That may be true, but in this specific case, science (and IMO time) is on my side. Electricity shows up in a lab and it has a real effect on things inside this solar system.
so all they can do is claim anti-religious bias on the side of science,
I'm not making any such claim. I don't know any EU theorist that does make that claim. In fact I'd venture to guess that few if any EU theorists are overtly religious or believe that religion has anything to do with it.
but if these alt hypotheses have the science than why wouldn't they be accepted?
Well, suppose I spent my entire career working on inflation theory. How easily could I just "give it up" and let it go? Could I do it in a day or a week or a month? What would the ramifications be to my career?
Human beings don't easily give up their old beliefs even when there is good reason to do so. Not everything is "black or white" for that matter. Sure, electrical currents could play a role in solar system activity, but does that actually "disprove' inflation? Dark energy?
It was relatively easy for me to let go of my beliefs related to astronomy. I'm not employed in the industry and my livelihood doesn't have anything to do with astronomy. I haven't based my career on dark energy or inflation theory or dark matter theories. I don't have a boss looking over my shoulder who may or may not agree with me. My career and financial well being is not dependent upon me 'being right' in the past, or even being right in the future for that matter. I'm in a very unique position to simply "let go" of my old opinions about astronomy and move toward anything that happens to appeal to me. I doubt that most people's lives are quite that simple or that everyone has that luxury.
I've discovered that with most people, change takes time. I didn't even change my own opinions on these topics overnight, so why would I expect others to do that?