I think it was Alan Guth who said that physics was kind of a game where one tried to create theories which other physicists would accept. I guess the issue is

I think it was Alan Guth who said that physics was kind of a game where one tried to create theories which other physicists would accept. I guess the issue is that if you see someone with some obviously logically inconsistent ideas, why trust any of their other ideas? The answer is that in fact you don't trust any of them, instead only rely on experimental results.