The same reason FReepers post half-naked pics of homos on threads related to homosexuality. Not sure why they do this.
Oh Cheese and crackers. I know you are a complete a-hole (Welcome to the club) At least encourage our fellow Freepers to post yodeling in the valley porn and not the crappy stuff men do.
Or buxom women in tiny bikinis...
Oh wait, we know why they do that...