Without really knowing him, he makes some good arguments for himself.
However, I can only assume that he's left behind people that love him.
What's more selfish, to leave behind your loved ones for your own self-interest, or to demand that someone stays against their wishes for your own self-interest? Not sure what the answer to that is.
Another good question is would society be better if more people followed his footsteps? Personally I wouldn't want it.