Plato (like peter thiel) was certain to have found the mathematical formula for a perfect little republic.
He offered to dionysius of syracuse, to crown him a perfect philosopher king.
Dyonysius loved the concept and met Plato, who being un aristocrat, refused to flatter him. Instead he lectured him on justice,and virtue.
Justice is realized in a state and maintained through education and the restriction of private property to ensure unity. (and that's a beginning)
Ouch! Ouch' Ouch' The first encounter was a disaster.
Dyonysius, a rather crude basic tyrant (kind of Trump like)-- decided to have Plato killed.
Dion, the brother-in-law of Dionysius and a student of Plato, intervened and persuaded him to spare his life. and to make the story short, plato was sold as a slave.
Read this article: Plato diagnosed the AI governance problem 2,400 years ago.