They believe that because of porn choking has become part of the standardised sexual landscape. This does come with some danger. “The potential problems come when people are doing it and they don't know it well”
You get to communicate with somebody without language. And I think that's very important because you're accessing some kind of pre-linguistic part of somebody's mind through the physicality of you moving ropes in your hands.
There are some things that are totally unambiguous, let’s get them out of the way: Silence doesn’t equal consent. Not protesting doesn’t equal consent. Being at a fetish club doesn’t equal consent. Being in a darkroom doesn’t equal consent. Sexual desire doesn’t equal consent.