That's the nice thing about the monetary system. It isn't real. Whenever we need more money, we can just make more. Ah, but we've tried that. It doesn't work.
Inflation gives the lie to that fallacy.
Printing more money doesn't make the system of specialization and exchange more stable. It just makes the monetary system unstable. Now the sophistry at the heart of constant demand theory gets really subtle. But the theory holds that there are no surpluses. There is only scarcity.