Last time they ate the rich afterwards everybody starved to death because nobody was left knowing how to do thing

https://en.wikipedia.org/wiki/Great_Chinese_Famine

https://en.wikipedia.org/wiki/Soviet_famine_of_1930%E2%80%931933

And the funny thing about it: When some poor had learned how to do things again those poor became the new rich.

Capitalism might be bare of morale but at least it cares for paying customers in spite of all alternatives.