Yeah, one only need look at the multi-billionaires focused on growing their wealth instead of solving the many easily solvable problems of humanity like clean water and starvation.
These so called billionaires have become billionaires because the society and economy are set up that way and they got good at this economical game.
Today you are incentivised to get rich by making a technological innovation like Facebook. Facebook is a great money making business idea, however is it a life saver as much as solving clean water? I guess not. Unfortunately, we prioritised and incentivised the business models of Facebook and that's where we are.
FYI, I'm not picking on Facebook, it could be any big company today.
That said, sociopaths probably are particularly well-equipped to become very wealthy.