Real names keep Facebook spam down. You can report real name violations to make spam accounts go away. That's worth doing.
Giving that up to make a tiny number of drag queens happy isn't worth it.
Giving that up to make a tiny number of drag queens happy isn't worth it.
One of those people will actually leave a movie theater if they spot one of her students in the same movie, because she knows from experience they'll take pictures of her on their cell phones and try to catch her saying or doing something even slightly off.
Teaching can't be the only profession where people want to be careful about using their real names so they can easily be found by anyone who wants to look. And it certainly isn't just a tiny number of drag queens either.
You can't 'sneak' into a friend's list. If you're paranoid enough not to use your real name, you can be paranoid enough to hide your name in searches and lock down your posts; it's not hard.