You can not do it with feudalism. The problem is that we need to take from the rich and allow every single human being a decent material lifestyle. We can not do that with feudalism, as that would mean the poor get poorer and the rich stay rich.

That's like... The entire point

We are kind of not doing it now, and with feudalism.

Development of history toward equity is blocked

"So you wanna change it back to even worse times!!??"