Yes. The idea includes stun guns and pepper spray and all of the methods tried so far. It should also include a lot which is within our reach in many sciences and technologies.
Humanity as a whole is still violent and warlike. There is a link between this weapons effort and the general welfare. The richest countries would be more effective in implementing non-lethal weapons and setting a higher moral standard, but countries don't become one of the richest countries without individual rights and upward mobility.
This website and many others tend to encourage cooperative action in a world that is still very much a pyramid, not just in the military, but in charities and small businesses. Parents still teach their children to hate before those children can reason. It might take a long time for people to figure out how to be civilized (and therefby productive and prosperous), but non-lethal and less than lethal weapons will be a very effective psychological influence in the right direction.