Plato did not say that a person was a mindless drone, merely that the appetitive part of a soul could overshadow the others.
Don Trump is the textbook case. Reason does not rule in his mind.
Your sophistry in his defence, or at least of his so-called successes, jumps out. I don’t follow any particular American political bent, but I do love my philosophy.
Not that Plato was the touchstone of wisdom within himself. His views on the ideal state make for entertaining reading nowadays, and some of his thoughts on death likewise.