alt Hacker NewsI am not sure - in my experience, I've observed that the more money you have the less people care about relations (their social circle becomes smaller) and healthy co-dependency reduces. This is more true of the young. Human nature tends to be selfish, which is not conducive for a healthy society. Young people becoming financially-independent at an early age may negate opportunities for self-introspection on that - without the struggle to earn a good living, many fail to understand the value of money and good relationships, which often lead to costly and immature decisions.
I don't agree with your characterization of "human nature". I mostly disagree that there is any such thing, and to the extent that there is, it seems to me that it is more like: cooperative, altruistic, empathic within the in-group, aggressive, selfish and uncooperative with the out-group.
The great work of human civilization is to expand the size of the in-group.