> Which societies have tried your quoted route? The only communist countries I know about never made it to communist but were very early in the process taken over by dictators who very much took more than their need and certainly inhibited the sharing of abilities.

That's just a different way of saying that it isn't practical. Consider Communism as a goal. Communism is a goal that is often attempted but is never achieved.

When no one can implement something in practice, it's the something that's the problem, not the people.

> You're right though, inheritance taxes on all assets help to iron out such issues; but in general the ruling classes avoid most taxes (and often laws in general) and aren't keen to enforce their application.

Firstly, it's ridiculously easy to dodge inheritance taxes if you're rich.

Secondly, going down the path of "if you, personally, didn't earn something, we will confiscate it from you" historically never worked out well.