I'm probably the smartest mentally handicapped mongoloid north of the equator.. (lol, as fucking if, the only legitimate part of that statement is that I'm a handicapped mongoloid)
At the end of the day their control and power is incredibly fragile due to being held in place by keeping people afraid of them... That is not a strategy that breeds situations where those being subjugated don't completely destroy the perpetrators when they turn away for a split second.