Some materials aren't designed thus yet produce sexual feelings anyway. Some materials produced to generate sexual feelings produce disgust instead. This reasoning is why we have always seriously questioned the banning of anything.
> The expression became one of the best-known phrases in the history of the Supreme Court.[4] Though "I know it when I see it" is widely cited as Stewart's test for "obscenity", he did not use the word "obscenity" himself in his short concurrence, but stated that he knew what fit the "shorthand description" of "hard-core pornography" when he saw it.
As far as an argument for why this is bad, I produced it in my first comment, and you have not responded to it.
I think that we have both made our positions clear to anyone who has been reading this comment thread, so I am not going to reply to any future comments you might make, and I will just leave it up to people to dedide for themselves which of us is right.