Ironically, it seems that it is only those at the top who finally break through the mentality of constantly "needing/hording more" money since you can't really admit to yourself that you need more money when you only have more then 1 or 2 other people in the entire world. See Bill Gates with his foundation, and more importantly Warren Buffet who has pledged 99% of his wealth to charity when he dies.
This is why (Warren Buffet) is giving it all away in his own words:
https://i.imgur.com/xuMqS.png
EDIT: Really, really related.
http://features.blogs.fortune.cnn.co...opy-challenge/
Bookmarks