It may be because a lot of 'the rich' don't really need anything other than what they already have. There's not much to buy that's important to a lot of people

It may be because a lot of 'the rich' don't really need anything other than what they already have. There's not much to buy that's important to a lot of people with the money to buy it. Frankly, there really aren't that many truly useful or interesting products or services. It was illustrative to me while reading the other HN articles on wealth. Some of those who have already sold their companies for millions haven't changed their life style much. They still buy the same things, still live pretty much the same way. Maybe travel more. Otherwise, the extra capital just goes into more investments that help to further inflate the established capital markets.