Oh good, then she shouldn't lose her lunch when he describes the berserked artificial humans, insane child soldiers and all manner of other horrifying things that went on during that battle. Just don't mind if it makes him a bit melancholy, he lost his parents during that and his best friend 'betrayed' him.

Yeah, he's got his motives and is convinced they're good ones. And he isn't entirely wrong to think something needs to change, either, he just...needs to re-think his methods.