The biggest root cause of Narcissism Culture

What is the single biggest root cause (in your points identify
different problems connected to the root cause) of Narcissism Culture and what are some solutions that
would address those root cause problems? This is a cause-effect-solution essay. Cause, Effect, Solution,
Cause, Effect, Solution, Cause, Effect, Solution
or
Cause, Effect, Cause, Effect, Cause, Effect, one-two HUGE solution(s) that addresses all problems.