I'm fascinated by IQ, and I think that the blogger made some interesting points, although I am also very skeptical of his motivation, especially given his political agenda.
http://www.rightwingwatch.org/content/heritage-foundation
I would like to see more honest discussion of IQ as an indicator of ability, but I doubt that will happen. Ever.
Perhaps interestingly, there is evidence that the highest-performing people (as our society gauges professional performance) are neither at the high end nor at the low end of normal, but between one and two standard deviations above average. If this is true, most of us are better off not being geniuses, but rather, just above average.
Because we tend to treat intelligence as something you can choose, we tend to place value judgments on those who have lower intellectual capacity. After all, if you can choose to be smart or not, you must be bad if you choose to be not-smart... right? So people who fall victim to scam artists or make poor decisions are to blame for their choices, and therefore deserve them. At least, that's how we tend to view things, and that's how many "smart" people justify taking advantage of "suckers".
I don't know, I find the whole blog post reprehensible. The proposal that immigration be tied to IQ testing is also pretty repugnant, as is the unjustified implication that the average IQ differences between U.S. blacks, whites, and Hispanics are genetic, permanent, and functionally significant.