Easiest way to control low quality people is to dangle an imaginary social reward or position of power in front of them. Do that in a trailer park or in a friend group and at least 30-40% of the people who begin to imagine the reward will try to destroy everyone around them to win the nonexistent.
Despair + Potential for relief = Willingness to do just about anything to anyone for a huge chunk of people
Despair + Potential for relief = Willingness to do just about anything to anyone for a huge chunk of people