Everyone believes that they're the main character and then work backwards to justify it.

It's all mental illness in the end.
You either trust the people in charge and get mental illness...
or you realize you can't trust the people in charge and get mental illness.

The cure to all of this is building strong communities where people can actually trust each other.
No easy task when the country you're living in brainwashes everyone into thinking individualism is the key to happiness... while the elite constantly play games to divide and conquer the population.