I believe that this is true. I think that the level of aggression and anger directed towards people who even slightly mention any scepticism or confusion about trans issues scares everyone from voicing what they really think. And people who aren't familiar with GC spaces assume everyone else DOES believe this and they have to go along with it.That will never happen. I spite of everything no one actually believes TWAW. Literally no one.
I had a long (drunk) conversation with my partner where I nicely challenged him to tell me how knows that he "feels like" a man and how he knows his gender identity outside of having a penis and looking like a man, and he couldn't.