As far as I understand, modern democracy has no place for violent means. This is the fundamental mistake of terrorists and vigilantes who resort to barbaric acts reaching back through time into the dark ages when loot and plunder were a part of political mechanisms. The sole reason so much progress has been made in the last couple of centuries is because war and violence have been ostracized and brute strength is not a valid means of persuasion anymore.
Gandhian non-violence is not artificial: it is in our first nature. For most of us, it is something we knew before we knew how to swing fists at other people. It is what we did when our parents acted contrary to our wishes. Non-cooperation was the first tool of rebellion we fashioned -- and perhaps most importantly -- against higher powers and figures of greater authority.