> But I don't think you can limit people's wealth and not call it communism.
In communism, an individual can not own any means of production - effectively 0% of the society's total capital. I don't think it follows that any non-communist system must permit any single individual to gain up to 100% of the society's wealth.
I don't know what the limit could look like or how to make it work, but societies commonly called capitalist already implement various brakes on free trade, from regulation to capital and immigration controls, subsidies, tariffs...
In communism, an individual can not own any means of production - effectively 0% of the society's total capital. I don't think it follows that any non-communist system must permit any single individual to gain up to 100% of the society's wealth.
I don't know what the limit could look like or how to make it work, but societies commonly called capitalist already implement various brakes on free trade, from regulation to capital and immigration controls, subsidies, tariffs...