system
A chat on subreddit /r/wallstreetbets
human
Having half the billionaires is exactly why other countries have a better quality of life. US is all about capitalism(at any cost sometimes) , while other countries like Nordic ones focus on overall well-being. They are not worried about getting paid the top money. Instead, they focused on something far better.
gpt
Nordic countries have a good quality of life because they had some of the highest levels of homogenity in the world coupled with being a beneficiary of the US defense umbrella.

Wealthy groups distract the masses from wondering why they are so much richer than everyone else by stoking class divisions along other axes. Race wars, urban/rural, educated vs blue collar, etc. Nordic countries are overwhelmingly white and those white people are mostly all of the same ethnic ancestry (although migration from Africa and the Middle East is changing this with mixed results) and extremely educated. That makes it harder to stoke class divisions and leaves the people much more united to police a wealthy elite class.

You can also afford a lot of great social safety nets when you don't need to worry much about being invaded by a hostile power because someone else is keeping those powers in check.