Plato is best understood as a narcissist whose political id…

Plato is best understood as a narcissist whose political ideas promote rule by intellectuals rather than by the strong. Platonism is how we got to where we are to day with bureaucracies running everything.
Neitzsche characterized Christianity as a similar trick that aimed to keep people enslaved and easy to rule. I would say that Christianity has been good for people who are already enslaved, but it has also been good for enslaving free people.