Here is a good article that I think can help.
Roderick Day - The Masses, Elites, and Rebels: The Theory of "Brainwashing"
Here are some choice excerpts: "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."
"I reject only the common misconception that propaganda “manufactures consent” (Chomsky) or “invents reality” (Parenti), because it exaggerates the feat accomplished by propagandists, and, in doing so, it obscures the real material basis that has historically made even the working poor in the imperial core complicit."
"Let us look at a specific example. A claim like “There’s cultural genocide of Uyghurs in Xinjiang” is simply unreal to most Westerners, close to pure gibberish. The words really refer to existing entities and geographies, but Westerners aren’t familiar with them. The actual content of the utterance as it spills out is no more complex or nuanced than “China Bad,” and the elementary mistakes people make when they write out statements of “solidarity” make that much clear. This is not a complaint that these people have not studied China enough... It’s instead an acknowledgment that they are eagerly wielding the accusation like a club, that they are in reality unconcerned with its truth-content, because it serves a social purpose."
"Forget about convincing the person in question. Focus instead on finding other people to whom such a case can be made. This will lead you directly to class analysis."
This helped me refocus and not become so frustrated with trying to "convince" people who have class interests that make it unlikely they will ever change their minds.