[WalterSear]

Except they won't/can't. And the parasites are actually working very hard.

They just get inordinately rewarded for their work, because most of their work involves maintaining the status quo, with them on top. It's their families that don't work.

Moreover, so far the only thing revolution has been good for is shuffling the parasites. I strongly suspect there are biological reasons behind our feudal support of strongmen.