Message Forums, in general, have been a more-or-less dead format with waning interest for many years. Much of the content formerly in forums has migrated to things like Facebook Groups (and whatever the other platforms call the same feature).
Can't you just see a Male Escort Pinterest board? Well, sure, the topic is a little risky -- the PTB will drop the axe quickly. There are a few topics that "polite" society finds verboten and we're one of them. <sigh>