He's absolutely taking it personally, and that's weird. When there are average IQs that are in the 60's in some countries, this really isn't that crazy to think a population that might be engaging in incest, and have a large number of young people, could drag down IQ points.
And to be clear, IQ can also differ significantly between countries. Jewish IQ in the US may be significantly higher than jewish IQ in Israel. Just because you see IQ's averaging around 115 in one ethnic group in one country, it doesn't mean it's going to be replicated in a different country. For God's sake, we saw this with jews in the US. Their average IQ raised as the first immigrants were below average, and upon several generations of education and literacy, surpassed the 100 mean. This is also true if they got older as a population.
What you don't seem to get is that IQ is not some static, unchanging, racial measurement. It does change and differ depending on the population you are looking at, particularly over time. It's an average. It's no different from looking at average height. Yeah, height is biological. But if I have a large number of children in my sample size, it skews the average shorter. If the adults were malnourished as kids, they will also be shorter than even their genetics would have allowed for.
He's absolutely taking it personally, and that's weird. When there are average IQs that are in the 60's in some countries, this really isn't that crazy to think a population that might be engaging in incest, and have a large number of young people, could drag down IQ points.
And to be clear, IQ can also differ significantly between countries. Jewish IQ in the US may be significantly higher than jewish IQ in Israel. Just because you see IQ's averaging around 115 in one ethnic group in one country, it doesn't mean it's going to be replicated in a different country. For God's sake, we saw this with jews in the US. Their average IQ raised as the first immigrants were below average, and upon several generations of education and literacy, surpassed the 100 mean. This is also true if they got older as a population.
What you don't seem to get is that IQ is not some static, unchanging, racial measurement. It does change and differ depending on the population you are looking at, particularly over time. It's an average. It's no different from looking at average height. Yeah, height is biological. But if I have a large number of children in my sample size, it skews the average shorter. If the adults were malnourished as kids, they will also be shorter than even their genetics would have allowed for.