Its a "you can't prove/you can't disprove" because ultimately we really don't know who they are.
Well, I have doubts that any of those pictures are actually him/her, just saying.
I did once or twice. But the topic is "Hot Girls" which automatically means "Hot Whores". That's the whole point of the topic. However, the point of this topic isn't to post slutty pictures.
it's to post real life pictures of yourself
As long as it's a picture of yourself, it shouldn't matter, right?