For a much, much longer treatment of the argument ogomad gestures towards, read Cosma Shalizi[1] g, A Statistical Myth. Note that most of the criticism applies as well to temperature or pressure as to g. For a detailed response to Shalizi, see Human Varieties[2].

[1] http://bactra.org/weblog/523.html

[2] https://humanvarieties.org/2013/04/03/is-psychometric-g-a-my...