So this will be about D/s and BDSM in general. This will not be specific to hypnosis play in any way, but like any tool or toy, hypnosis can be used in various ways, including in for D/s play, partnerships, and relationships, so it absolutely can apply.
So, fairly recently, there were some consent injuries happened to a submissive of a Dom/sub pair, and things got brought to public online arena through writings and comments (at first anonymously, but he, the Dom, admitted it was he the talk was about and things got, well, obviously less-anonymous). Things didn't exactly get talked about well, let's say. I'm not going to get into details of the situation, at all, nor am I going to get into the nuances involved... except for one, because it was a particular nuance that bothered the crap outta me.
You see, he had brought up early on that the main job/role of a Dominant (from his perspective) is to "push boundaries." Now, ask people what a Dominant is/does, you'll get a million different answers, and then they'll all argue about the semantics of what everyone else said being wrong (especially when it comes to the role the submissive has in the Dominant's power/control >.>). Generally, I'm accepting of all different meanings of what a Dominant is... but this one, this one bothered me, especially given the circumstances.
