[GourmetDan]

"In Societies with entrenched social stratification there is little upward mobility and a great tendency to justify this based upon anything and everything."

"He said: "That is why such obvious scientific truths have not so far been stated clearly, or have actually been denied."

"(This theory is] accepted among those who know and understand the research."

[allmendream]

I know and understand the research and have yet to see any who arrived at the author's conclusions without confusing cause and effect,properly controlling for environmental factors, or explaining why an unambiguously better “smart” gene wouldn't reach 100% in the human population.