You don't ban pool halls because mafia members wink and nudge to each other all the time there. Banning the pool hall is not going to deter the crime. And ban

You don't ban pool halls because mafia members wink and nudge to each other all the time there. Banning the pool hall is not going to deter the crime. And banning links in chatrooms by making it illegal will not do anything either. The problem is not the criminal, it's the guy trying to classify the criminal. Just because the baby is in the bath water has a little dirty water on him, doesn't mean we bag up the baby and throw it out.