everything is porn to someone sufficiently degenerate.
Except banning porn is what caused the creation of civilization, whereas allowing it is what destroyed it. If the same was true for tile patterns, I would advocate their banning, too. But it’s not.
There are Bronies out there, right now, cranking it to children's cartoon shows.
I'm not saying there's such a thing as "good porn", rather that everything is porn to someone sufficiently degenerate.
Banning media because people misuse it is the same as banning 3d printers because people could print sex toys.
Government is not, and should not be, a moral arbiter. That's the Church's job.
Except banning porn is what caused the creation of civilization, whereas allowing it is what destroyed it. If the same was true for tile patterns, I would advocate their banning, too. But it’s not.