The society I refer to is the Global society which entails every person on Earth. I wholeheartedly agree with your ascertion of man-kinds roots including the effective application of violence when necessary which has facilitated our survival throughout the ages. It is my ascertion that modern-man needs to work harder to develop non-violent solutions to its problems rather than rely on the primitive and in some instances barbaric practices to stave off oppression in all its forms. Therefore my official stance is "there is never an excuse" and resorting to the application of force onto another living being should be a source of shame. As far as martial arts go I thoroughly enjoy studying them and sparring which is concentual and provides the framework for that concent. The failure of the BB in question was to operate outside that framework and perform an act of non-concentual violence. It is with a real world understanding that there are problems that arise which currently only have solutions which involve the use of force that I train in self-defence and rely on Mushin but that is not to say I think it is okay just that it is the best solution currently available. With Respect, Stealthy.