With the continued research and production of high casualty weapons, we commit more casualties. If it lends proof to any theory, it is Awsi's in the other thread concerning the rise in gun-related crimes.
Its not a godless problem, its a human problem. And religion is overwhelmingly a reason for humans to cause violence. Personally, despite it being a human problem, im for the elimination of causes of violence. While it certainly wont happen in my lifetime, i can only hope we eliminate enough causes for violence to achieve peace. Im doubtful.