Back when I was a kid the red-headed step children of the Internet were the warez, neo-nazi, « revolutionary » (read bomb-making), spam and snuff sites. I'm probably missing a few categories. And that's just the contentious stuff. There are things that even the most zealous free speech maniacs would have a hard time convincing themselves should be allowed even a modicum of publicity. Child porn is the most blatant one.
So you're literally using banning child porn to justify banning political discussion: exactly what free speech advocates predicted when censorship hit the internet.
