The larger perspective is that the human brain is amazingly well designed for the sort of specific tasks involved in living as a hunter-gatherer, but these task

The larger perspective is that the human brain is amazingly well designed for the sort of specific tasks involved in living as a hunter-gatherer, but these tasks are quite different from what is involved in choosing among investment options, and so most people tend to make bad decisions. The other side of this is that about 1% of the population are sociopaths who make it through life threatening or fooling other people, and many of the the really bright ones realize they can make the most money through trickery in finance.