Economics ramble

Is economic mobility actually a capitalist myth?

So, if we discuss wealth as the conceptual value of money (like, how much stuff can you buy with a pile of money).

We live on a finite planet with finite resources and therefore finite concrete goods. Therefore, the total wealth of the entire planet is kinda constant.

Which makes wealth a zero-sum game.

Which means that a society cannot have net upward mobility. Everyone who goes up, someone else must come down.

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Economics ramble

So we can't get wealthier, we can only control distribution of the limited wealth.

Of course, this doesn't include imaginary goods (data), which... I'm not sure how to process in a macroeconomic sense. I'm not even certain they have real value??