Lets think ridiculously like them...
Douche P. Bag, aka John P. Walters, is actually the terrorist, or terrorist supporter. How? Well, we all know (by listening to the government) that buying weed supports terrorism, right? Well growing our own would stop us from buying "terrorist weed," therefore not supporting terrorism. He wants us not to grow our own, forcing us to buy others' and support terrorism. Asshole...