Porn forums are for Kraptasticas and other low-level, stupid MBs. I can't list very many because I do not associate with those kind of boards.
A porn forum for a gaming/discussion forum is just stupid, and shows a definite lack of maturity of the board as a whole. It gives a definite impression of the entire MB, as well as the staff.
It also attracts the WRONG kind of people.
But yeah, you already knew my stance on this, Jeff. I struggled not to go off on a longer rant.