That's the point, not everyone is on the blockchain for Information warfare. I didn't state that it's a problem, but rather something that isn't completely perfect. Sooner or later such a mechanism will need to be implemented and initiated according to a specific consensus to fight against crimes that could sink the whole blockchain to hell such as underage pornography and so on. As I stated, I don't know the exact solution, but it's something to think about. We really don't want to be known as the pedophiles' heaven ... these are problems that we need to think about because we will surely face them one day.