He is (now was) typical of a narcissistic personality. One day he figured out that he was the center of the universe. He was...his. But now that universe is gone and millions of people try to cling to their missing savior. Living vicariously through someone else is a sickness in and of itself.
I don’t even think he was particularly brilliant. I’m sure there are plenty of people out there who are both nice and substantially brighter than him. He was and will always remain an absolutely disgusting example of the human species. I don’t ever wish anyone dead, but I don’t believe that the world is in any way worse off for the loss of this man.