Bank accounts aren't cash. They're a ledger of your balance with the bank.

Governmental currency printing has zero effect on the negotiated transaction between two people, and it does precisely nothing on my ability to choose to continue using that currency. That's the underlying freedom; use dollars or blueberry scones if you want. You just need to find a willing counter-party.

The anti-fiat crowd should think for a minute on how money actually works in practice.