Who is the villain?
Is the villain the leader who starts the movement? The demagogue who decides to rally the tiny cruelties that live within the hearts of people who think of themselves as good? Is it the person who blows on the embers of hatred until they finally catch and erupt into an all-consuming flame?
Or is it the person who finds themself in a position of power, and chooses not to put the fire out? Is the villain the person who chooses to sit before that fire, warming their hands?