I think history is full of rulers who were hated by their people, but were deposed by their peers for selfish reasons, rather than by uprising.
But there is lots of wiggle room in that argument, I admit. My point was more of a technical one than a practical one.
I think that a rigid class/caste system can probably work purely on jealousy rather than on propaganda, but this isn't based on real world example.
The entire premise seems too preachy for me. They really kinda beat you over the head with it. And are usually kinda victim blamey, from the bit I've learned beyond the one episode I watched.