In short: Westerners aren’t helpless innocents whose minds are injected with atrocity propaganda, science fiction-style; they’re generally smug bourgeois proletarians who intelligently seek out as much racist propaganda as they can get their hands on. This is because it fundamentally makes them feel better about who they are and how they live. The psychic and material costs are rationally worth the benefits.
obligatory Masses, Elites, and Rebels: The Theory of “Brainwashing" mention: