I dunno if I'd agree that it's a small vocal minority, zero-tolerance to anybody questioning the current dogma is seen everywhere where trans acceptance is a focus. Ten years ago I was told, by trans people, that there are physical differences between trans and cis brains. Say that today, and you get kicked out of LGBT spaces for being a transmedicalist or truscum.
I have no idea whether it's true or not because you can't even find research on the subject because of how absurdly politicized the topic is.
I have no idea whether it's true or not because you can't even find research on the subject because of how absurdly politicized the topic is.