I think it's a way to greet newcomers. Reddit just lost of bunch of long-term users, so they've got to attract new people with gimmicks like "hot or not". I've

I think it's a way to greet newcomers. Reddit just lost of bunch of long-term users, so they've got to attract new people with gimmicks like "hot or not". I've noticed those threads get pretty sexist/racist quickly too, and doesn't appear to be moderated the same way that established subs are.