Yes, very unintelligent people tend to not do well financially.
The problem seems to be that intelligence is not entirely heritable; that just because unintelligent people fail to do well financially doesn't mean that their children are doomed to the same fate.
alt Hacker News
The problem seems to be that intelligence is not entirely heritable; that just because unintelligent people fail to do well financially doesn't mean that their children are doomed to the same fate.