The stock market is arguably zero sum as well, just that directionally betting on the US has generally worked during the golden years of the US economy.
The stock markets of the world aren't a money printer.
They can be in cases where investment lenders don’t have 100% capital requirements, but that’s generally no different from other banks.
The stock market is not in the least zero sum. That's just a fundamental misunderstanding. There's dividends, capital allocation, etc.