Americans have never really understood ideological warfare. Our gut-level assumption is that everybody in the world really wants the same comfortable material success we have. We use “extremist” as a negative epithetic. Even the few fanatics and revolutionary idealists we have, whatever their political flavor, expect everybody else to behave like a bourgeois.
We don’t expect ideas to matter — or, when they do, we expect them to matter only because people have been flipped into a vulnerable mode by repression or poverty. Thus all our divagation about the “root causes” of Islamic terrorism, as if the terrorists’ very clear and very ideological account of their own theory and motivations is somehow not to be believed.
By contrast, ideological and memetic warfare has been a favored tactic for all of America’s three great adversaries of the last hundred years — Nazis, Communists, and Islamists.
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