Do you believe the war on drugs is actually working?
Very good example you brought up there. Question is: Can we make the world safe by just arresting every bad guy... Ooooor, maybe, just maybe... Individuals are responsible for their own decisions?
Besides, its only a "dealer" if the product they are selling is illegal. Have you talked to your political representative about making social media sites illegal. How do you argue that, exactly. "That sites needs to be outlawed because it breaks my back button!!!111!"?