“And as elsewhere noted, even if a population is aggregately low in performance it doesn’t mean that there aren’t exceptional individuals.”
Totally agree.
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One of the men who worked for my father-in-law was a parts runner who drove a 3 wheel bike around the plant with components. He loved his job and repainted his bike with an inscription that said “numero uno Mexicano”. He absolutely freaked when the EEOC idiot told him that was a racial slur and made him paint it out. His remark was, I am the Number One Mexican. He was right, but the EEOC idiot had the authority, it was a government plant.
Sorry, I agree with the EEOC “idiot.” Quite likely the plant had employees of Mexican heritage who were far brighter than a high school kid — you know, like someone who could design weapons, rather than just shift parts around. That sign essentially said “our brightest Mexican is only capable of moving parts around.” I’m a white person and it’s offensive to me.
Indeed at some point for many jobs IQ is negatively associated with long-term performance.
I know that police departments in some cases used to try to screen out any applicants who were too smart for fear that they’d get bored and leave after all the investment in their training.