That's just straight up false.
It goes to legal entities, some of which are people.
Companies aren't people mate, and neither are investment funds.
The money might still be managed by people, but that cannot be called salary, even if you're stretching the definition.
Would you agree if I reworded my statement to “ultimately, all money eventually flows to people, whether for their labor or due to their ownership of the entities receiving the money”?
So yes, all transactions can be linked be back to individuals, if you ignore all details and make some gigantic leaps of faith... But what's the insight?
Are we just doing philosophy like in ancient Greece?