There's a similar bubble in the PRC: if you talk to someone inside it, they know all about Tiananmen Square, Tibet, the recent Hong Kong protests, etc. Whereas if you talk to someone outside of it, they'll tell you the Chinese government is a beloved-to-neutral entity (like the Queen of England, a bit) in the eyes of the populace, and that American terrorism is responsible for most-any Chinese civil unrest.
It isn't until you meet people on both sides of such a dividing line that you realize: propaganda is never aimed at "converting" people who know even the slightest thing about an issue, people who already have any stance at all. Instead, it's aimed at the mass of people who care little enough about an issue, people who are far enough away from the issue, that they'll trust the first source of "facts" about it they see, and then lose interest in finding out more.
It isn't until you meet people on both sides of such a dividing line that you realize: propaganda is never aimed at "converting" people who know even the slightest thing about an issue, people who already have any stance at all. Instead, it's aimed at the mass of people who care little enough about an issue, people who are far enough away from the issue, that they'll trust the first source of "facts" about it they see, and then lose interest in finding out more.