Earlier quoted context omitted.
The people I speak of have high incomes, high education levels, don’t break the law, can solve logic puzzles very fast, etc. They are also extremely stupid.
The fact that you personally happen to know some people who are successful despite being "stupid" (whatever that means according to you), is not really any sort of convincing point. And at any rate, the fact that a "stupid" person _can_ be successful certainly says nothing about how likely to be successful any given "stupid" person is.
High IQ people are often more skilled than others in explaining away gulfs between their understanding and encounters with reality. For IQ believers, such people still get to be called intelligent. For me, it makes them stupid.