>>17910768
That was already proven incorrect

The study is less about "intelligence between faith" but intelligence between high and low median income

Education increases your IQ
Rich people are more likely to get education
Rich people are more likely to be atheist.

Similarly, Jewish communities have a culture that focuses on monetary income, which also increases their educational attainment.

If you divide this based on income, the Christians actually come out on top.
With atheists becoming heavily susceptible to every form of metal disorders, bad habits, and relationship problems

As such, the better question is
Why are the people most blessed by the God the ones who reject him the most