Well, I haven't read the book, but the article that you point to seems to indicate that "A Farewell to Alms" actually makes the opposite point: 'What was being

Well, I haven't read the book, but the article that you point to seems to indicate that "A Farewell to Alms" actually makes the opposite point: 'What was being inherited, in his view, was not greater intelligence — being a hunter in a foraging society requires considerably greater skill than the repetitive actions of an agricultural laborer. Rather, it was “a repertoire of skills and dispositions that were very different from those of the pre-agrarian world.” Also, the article points out that many people are skeptical of his view that the behavioral changes have biological causes and not just cultural. For instance: 'The natural-selection part of Dr. Clark’s argument “is significantly weaker, and maybe just not necessary, if you can trace the changes in the institutions,” said Kenneth L. Pomeranz, a historian at the University of California, Irvine.