It's a numbers game. A leader can find people poor/greedy enough to do nasty things for money, and then same leader can go find people who want nasty things don

It's a numbers game. A leader can find people poor/greedy enough to do nasty things for money, and then same leader can go find people who want nasty things done for hire. In an unequal society, there's always going to be people 'available' for this side of the system.