It isn't just the left. The revolutionary rightwingers are endlessly fragmentary - the militia, white supremacy and various theocratic movements each have a to

It isn't just the left. The revolutionary rightwingers are endlessly fragmentary - the militia, white supremacy and various theocratic movements each have a ton of complicated history of fragmentation and infighting. I suspect the phenomenon is partly a function of relative powerlessness combined with the emotional high-stakes of being marginalized combined with the personalities attracted to such groups.