Genius is genius.
Nobody knows where it comes from, or what produces it, just that some people, from unremarkable backgrounds, regularly turn the world on its ear. Or a son of an intermittently-successful American businessman working on the atom bomb in his twenties. Think about the illegitimate son of a craftsman from a small town in Northern Italy. Think about the son of a banker who quite university after one year, and became the richest businessman in the world. Think about . . . .