Because current polarized conditions dictate that you are one. You cannot speak outside the hiveminds' opinion on a matter it would mean completely abandoning all sense of identity. Does not mean there are not his supporters through that take issue with the matter. They are just not going to vocalize it for the most part. Goes both ways. Tribalism.
Yeah I get that. If you give the other side an inch they take a mile. I think if I were a Trump supporter what would hurt me most personally (aside from the Israel shill stuff) is the crypto stuff.