What research does show is that there is a huge increase in women experiencing hair pulling, choking and other sadistic acts.
The need for some people to say, oh but we need you to understand that sadism, bondage and dominating people have nothing to do with my bdsm is just totally self absorbed.
Normalisation of bondage, sadism and domination is an issue. People in special clubs who want to talk about the finer points of sub drop, really not the experience most people are having when it comes to sadistic, dominating or restraint based sex.