Psychological studies have demonstrated for over a century that there's a predictably consistent tendency for decreased empathy and compassion the richer the studied subject tends to be.
The studies didn't conclude whether wealth made them assholes or if assholes become wealthy, but considering how much wealth is inherited and maintained by inheritance, I think it leans toward the latter.
Wealth is straight up a non-physical neurotoxin that dissolves the empathy and creative centers of the brain
Psychological studies have demonstrated for over a century that there's a predictably consistent tendency for decreased empathy and compassion the richer the studied subject tends to be.
Or it is possible that people with empathy deficiency have much better odds of becoming wealthy. Or both ways.
The studies didn't conclude whether wealth made them assholes or if assholes become wealthy, but considering how much wealth is inherited and maintained by inheritance, I think it leans toward the latter.