He is in jail because of his amount of warnings that he deliberately gets. I don't care what drugs make you psycho and kill happy. I don't care what drugs make you happy and mellow. If we kill people for any transgression of the law, then less people will break the laws. I think one of the major problems in your 'kill all lawbreakers' argument is the difference between 'illegal' and 'wrong'.
Some laws are unjust.
Don't get me wrong - I think we should shoot rapists in the face, too. Murderers as well. As always you keep me laughing. I just this week saw a Nano Baby. A woman had brought it to work to babysit for her 6 year old daughter.