People reject certain views and even vehemently oppose them when they have adopted a perspective that says, “I know as a matter of theory that these things can’t exist, so I’m not going to look at the evidence.”
Science is about looking at the evidence not about necessarily supporting a diametrically opposed opinion or bias. If there is no evidence, that is not construed as a proof. In fact, there is quite a bit of evidence in certain fields that are not looked at at all because of that kind of biased approach and the political misuse of skepticism, even within the profession.
I guess people gravitate towards a psychological need to "have it all figured out" in lieu of being comfortable with not knowing and that is often a strong motivation for presenting an extreme view and holding to it no matter what. People can get rather crafty and creative in that respect, but what does that have to do with real science? If scientists were that close-minded, it would never have got off the ground and we wouldn't see all results of it.
At least, that is my humble understanding of science and how not to conflate it with other categories in an attempt to prove a point.
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