Most nations have taken a bit of a break from warring over resources, territory and living space. What they do now is curry favor with the investor class, and in the process their ideologues come up with all kinds of reasons why this currying of favor is a good thing and likely the only possible way to go.
Orwell's 1984 is always worth a read. One can think of the descriptions and the
story as applying to tyranny the survival of which requires an enemy and a
people devoted to defeating that enemy. In Orwell's account the people had few
choices but to believe. Yes indeed, Post Factual is an interesting area.