I think it's better to not know certain things. It gives the world an extra bit of mystery, which is important to us as human beings.
There's very little dislike of Americans in the world, shown by repeated polls, and the dissatisfaction - that is, the hatred and the anger - they come from acceptance of American values, not a rejection of them, and recognition that they're rejected by the U. S. government and by U. S. elites, which does lead to hatred and anger.