You are not going to get peace with millions of armed men. The chariot of peace cannot advance over a road littered with cannon.
When we were talking about this, an idea for this master vigilante, it was an urban guerilla. One of my ideas was that he would be a member of the police force who turned on the government.
V is like a mythical situation. It's an allegory for what could happen. V has philosophies within it that actually warn against things like that happening.