Also, just because some personality traits worked for a certain place, time, and cultural period, doesn't mean it's applicable to the industry today.
Once, in the early days of the field of synthetic biology, I asked my mentor George Church why he collaborated with so many people who weren't obviously doing the highest caliber work. He replied, "When you're involved in starting a new field, often it's not enough to succeed by yourself. Sometimes you also have to help others not fail."
Because of the way Mr. Ellison been conducting himself business-wise, there is a saying in the Valley: "I would love to live a life as Larry Ellison, but heck I would not want to die as Larry Ellison".
If someone doesn't evolve over a few years, let alone a few decades, then something is gravely wrong.