>>one of the world's richest and most powerful people, the sort of person who does not (cannot) arrive at his station in life without being a special type of ruthless sociopath

Many people who become extraordinarily successful owe their success to their integrity and competence, not to ruthlessness or sociopathy.

This is especially true in advanced economies which became advanced largely because of somewhat meritocatic hierarchies that do a decent job of incentivizing and rewarding socially beneficial behavior.