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Re:Over 90% of Indian techies in the US are upper-caste Indians by zarkov99 on Tuesday September 22, 2020 @04:04PM (#24559166)
From Wikipedia:

Twin studies of adult individuals have found a heritability of IQ between 57% and 73%[6] with the most recent studies showing heritability for IQ as high as 80%[7] IQ goes from being weakly correlated with genetics, for children, to being strongly correlated with genetics for late teens and adults.

Re:Over 90% of Indian techies in the US are upper-caste Indians by sudosysgen on Tuesday September 22, 2020 @04:15PM (#24559314)
And yet in the past 100 years or so IQ has increased across the board by 30 points, so culture can explain up to 98% of IQ variation.

Therefore this might be the case that genetics is a proxy for the culture or mindset or environment that have a large effect on IQ.

This is why such statements can be very misleading.