so this was mostly a rhetorical question / shitpoast but I've got Theories
1) shared culture — it's not just any dude with opinions I consider trash, it's specifically the terminally online ones. aka he was probably a /b/tard like me growing up, and we speak the same language.
2) depravity — he probably doesn't Respect Women©®™ much, so probably more down to do disrespectful things to me in bed, AND probably more likely to actually get off on them rather than doing them just for my sake (big meh). & probably into weird shit, which makes me feel better