Harry Potter reflects the social consensus of the early ‘90s in which it is set: racism is a Bad Thing, the concept of gay...
Harry Potter reflects the social consensus of the early ‘90s in which it is set: racism is a Bad Thing, the concept of gay rights is tentatively entering the mainstream, trans issues aren’t even on the radar except as a punchline.
Compare the Girdles of Masculinity/Femininity from ‘70s first-edition D&D, which invoked the pranklike curse effect of gender change, and then became “infamous” for spread-around stories of what players would do with/in response to them