Oh yeah there are a ton of bdsm conventions, major cities will often have multiple a year. And there are issues and drama for certain, but we generally try to police our own and our problems tend towards being that well established members of the community who do a lot sometimes utilize the trust and respect they have to be predatory, especially to new people, just like every other community.

Foot fetishists’ misbehavior is the stuff like you described, though they’re really outshone in awfulness by body type fetishists, who do the same stuff and so much more