People have not moved away from the "gender is what's in your pants" narrative. Transphobes still misgender based their victims' (presumed) genitalia.
I didn't muddy it, you misunderstand what social construct is, and "sex" is muddy in and of itself. As I said, sex is not so firmly binary.
I second this. It's a little solipsistic to dismiss everyone you don't like as "bad intentions" because you simply can't know their intentions. All I know is some people do their best to make me feel good about myself and my identity and some either don't or can't and there is functionally little difference for me between those latter two camps.