I have read that article before, and I have commented on Fred Reed’s apparent lack of familiarity with the actual data.

Bottom line is that, while (secular) Jews are heavily responsible for the madness that is taking place right now, they are not exclusively so, and the much-vaunted myth of the superior Ashkenazi Jewish IQ remains just that – a myth. In reality, they are about as smart, on average, as Han Chinese – which is still pretty darn smart. But it’s not enough to justify anything like their relative outperformance in a number of fields.