The dangerous ideological heterogeneity I was referring to: see Ferguson, EU vs. Greece, US vs. immigrants... Regardless:

> Someone hard-working with a 130 IQ versus someone depressed or maladjusted with a 90 IQ

Capitalism doesn't do a "decent job handling those extremes," it does a fantastic job creating those extremes. The latter person you mentioned is either highly exploited and/or rejected from society and given a tragic, humiliating life. Our capitalism is divisive, unjust, and destructive.