>every bit as clever and complex as us 5000 years is a long time for adaptational/behavioral selection in the comparatively - compare to other large mammals -

>every bit as clever and complex as us 5000 years is a long time for adaptational/behavioral selection in the comparatively - compare to other large mammals - dense society. During the well observable last couple centuries we see significant changes in the average human height, aggressiveness and testosterone production, socials skills, even IQ level noticeably drifts over just few generations being the subject of economical and societal mass-selection process. You can't just dismiss the selective effect of mass culling events like wars, revolutions, Inquisition and similar societal level massive behavioral-based selection processes adjusting the society for specific traits (for example Russian revolution killed several millions most educated people, and later Stalin "adjusted" the society by killing several millions of people who tended to be less-conformists), executing over the centuries or later putting in prison significant number of people with specific social/behavioral traits, etc.