Article on IQ: The Inappropriately Excluded

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I saw an article on high IQ people being excluded from elite professions. Because the site seemed to have a particular agenda related to the article, I wanted to check here for other independent supporting evidence for the claim.

Their fundamental claim seems to be that P(elite profession|IQ) peaks at 133 and decreases thereafter, and goes do to 3% of peak at 150. If true, I'd find that pretty shocking.

They indicate this diminishing probability of "success" at the high tail of the IQ distribution as a known effect. Anyone got other studies on this?

The Inappropriately Excluded

By dividing the distribution function of the elite professions' IQ by that of the general population, we can calculate the relative probability that a person of any given IQ will enter and remain in an intellectually elite profession. We find that the probability increases to about 133 and then begins to fall. By 140 it has fallen by about 1/3 and by 150 it has fallen by about 97%. In other words, for some reason, the 140s are really tough on one's prospects for joining an intellectually elite profession. It seems that people with IQs over 140 are being systematically, and likely inappropriately, excluded.

Their fundamental claim seems to be that P(elite profession|IQ) peaks at 133 and decreases thereafter, and goes do to 3% of peak at 150. If true, I'd find that pretty shocking.

They indicate this diminishing probability of "success" at the high tail of the IQ distribution as a known effect. Anyone got other studies on this?

The Inappropriately Excluded

By dividing the distribution function of the elite professions' IQ by that of the general population, we can calculate the relative probability that a person of any given IQ will enter and remain in an intellectually elite profession. We find that the probability increases to about 133 and then begins to fall. By 140 it has fallen by about 1/3 and by 150 it has fallen by about 97%. In other words, for some reason, the 140s are really tough on one's prospects for joining an intellectually elite profession. It seems that people with IQs over 140 are being systematically, and likely inappropriately, excluded.

From the comments:

Let me demonstrate how the summary statistics you report are entirely consistent with models which totally contradict your inferences.
(...)
your statistical model is bad and the data cannot support any alarmist claims about society discriminating enormously against high IQ or the need for a 'clarion call'.

There's no response to this from the author despite the passage of more than a year. Any thoughts?