I didn't follow any of the links, but one of the SPAM messages today purports to be offering illegal content (kiddy porn)...
Whether or not it's true, it could have been...
It could easily have posted an image that would have taken a lot of explaining.
IMHO: If the administrator/owner isn't going to police the content, for his own good, he should shut down the forum.
BTW: I could be under control.....When I spoke to a VB forum owner who has things under control about this site, his reply was.... In the past six months (aprox), we've had less than 10 bots that required deletion/banning by hand.