I didn't for years. I was in my twenties when I first saw porn and I was duped into it after getting really really stoned and someone put porn on the TV. Before that I'd get really nauseous just from the sounds of porn.
Thinking about it, I was also pretty awful to women back then, probably a coincidence.
Whats next? Porn is good for you?
Does it even matter if it's "sexist" or not by placing one of the sexes more commonly in submissive roles? We watch porn to sexually excite ourselves without having to imagine it, not to fantasize over ideologies of perfect equality represented in hollow imagery.
In a stunning turn of events consumers of a particular type of media still able to view other humans as human. More at 11.