When I was in college, there was a guy who was really wealthy (no idea how much, not billions, but millions I'm sure) --- his parents died young, I think it was an accident of sorts, and he inherited a fortune, or got a settlement.
Anyway... people used him for free beer, parties, food, anything they could get from him. I knew him tangentially because he was a pen and paper gamer, and ran some D&D sessions so we had some common friends.
The poor guy seemed miserable, knowing most people were only hanging out with him for his money, etc. Seriously, he was just a sad sack, seemed depressed and lonely in that existential kind of way. I know people say 'aw.... poor little rich boy', but I really felt bad for the guy. He seemed like a decent enough person, but the money didn't seem to make his life really that much better. Sure he didn't have student loans like I did, didn't have to work like I did -- but I had some good friends, who certainly didn't hang out with me for money (or lack thereof)
I grew up with someone in high school like that. He was 15 and already experienced this because he was inheriting a lot of money from his parents. His father owned a factory which produced an expensive chemical compound. His father bought him a very expensive car at 16 which he had no choice but to drive. In hindsight I recognize why he tried to keep his $$$ unknown and would get mad when we called him moneybags.