The difference is a highly engaged set of authoritarian activists who will assassinate your character and get you fired. Other groups don't have the equivalent of a Red Guard to enforce their ideology or religion.
lol I don't know what "jurisdiction" you're living in, but "mocking trans people" is in no way a legal matter in the U.S. I can mock "trans" people as much as I want and there's not a damn thing you or the government can do about it as long as I am doing it on my own dime and on my own time.