The problem with wealth is that it could help people die faster. Obesity for example is a perfect example. Society generates memes which cause people to want to eat more which causes obesity. People who create these memes get wealthy selling processed foods but it doesn't keep the members of society alive, productive, healthy, so it's not actually good for the members of society even if it adds to GDP.

Why is this? Because society isn't wise, rational, or moral. Society seems like you say to be nothing more than a growth machine. A better world would mean society would produce biofuels/clean food which taste good, is healthy, is cheap, etc. We don't see this right now though or if we do then it is rare.