I have to wonder how this generation was raised to view gender. I'm an older Millennial and my Boomer parents are by no means liberal or progressive, but they encouraged me to do and wear what I liked without regard for gendered expectations, and most of my friends and classmates seem to have had the same experience. That's just how it was in the 80s and 90s (in the US, anyway).

The parents of today's teens are Gen Xers, who would have been raised primarily by people of The Silent Generation, whom I don't know much about. I've spent a fair amount of this past year doing a deep dive into the history of queer theory in an attempt to figure out how we've ended up where we are, but your comment makes me wonder if we should also be considering a generational angle: whether Gen X brought their kids up with stricter gender roles, and if so, why.