The propaganda’s primary audience is Americans, not the invaded populations.

Evidence

But the primary target of this propaganda is first and foremost the Americans themselves, who need to be assured that they are a good, noble, and superior people, ordained by their creator to rescue the world from its evils. The messages the native informers carry include “Just look at the condition of women in the Islamic Republic!” (or Afghanistan, or Iraq), “They can’t even read a masterpiece of Western literature like Lolita in peace!” and “We have to liberate these young women from their bondage!” — Hamid Dabashi, Brown Skin, White Masks, 104