Earlier quoted context omitted.
> We have normalized porn very recently and it is just a piece of modernist faith that it is harmless Do you abstain from television, computers, rock and roll, role playing, comic books and video games by this same line of FUD? Mass media has the power to create unrealistic expectations. Someone growing up in the age of Petrarch and Dante had unrealistic expectations of romantic love. It's easy to imagine that someon…
You have made a couple unfounded assumptions. One, that the GP, abstains from porn and two, that the fact that it's not clear that it's harmless is the reason for it. They were responding to a specific claim of the GGP, that porn is harmless. Respond to what people actually say. If you really need to respond to something unsaid, make it explicit. Anything else is a strawman fallacy.
> They were responding to a specific claim of the GGP, that porn is harmless.
Speaking of strawmen, it was Jacob who used the word harmless. Nicholas went so far as to draw an analogy with drugs concerning the effects of responsible versus irresponsible use. When he said porn wasn't bad, he clearly didn't mean that it is harmless in an absolute sense but was expressing a nuanced point of view.