Iceland is absolutely right on this, people might be laughing at them or insulting them etc. but most pornthese days is made to be degrading to the females involved. It would give the people watching some false view that such things are acceptable and might make some not be as caring for their partners or perhaps even be abusive, doing things they wouldn't want etc.
Porn these days is turning very degrading which in turn easily turns to violence when the people viewing can't understand not to do such things themselves.
Of course not all porn is degrading, but enough of it is these days to put a ban on it altogether until the creators learn to treat the female actors with respect.
Banning porn for it being sex is stupid. Banning porn due to the violent degrading porn is acceptable.