It is like Mc Donalds getting sued because some suicide bombers got a burger there before they did their activity. In the 18+ area, there is no children, thus no grooming, they can't exchange child porn, because it is voice/text communication. "Terrorist Away days" is completely uninforceable, so do you know that "let's go down to the pub" is a code-word to "Meet me under 5th Street Bridge"