To be fair to our autistic women and enby comrades, Its pretty much always been autistic men, but still.
You have no idea how many times I've been like "hey dont say that, thats ableism/a slur" and them be like "get over it/grow a spine/just words" and when I confront them about the fact that i'm autistic they'll say "I am too, so what?".
Just look at my post history right now. There's one I'm arguing with right now.
it happens over and over.
Lots of people treat a diagnosis as a sort of r-word pass, if not in the use of the word then the disparaging spirit of it, and then other letters naturally follow from there