No they deliberately do it through derivatives

Or intentionally mint 3 trillion bitcoin to cover up pedophile sex rings.

well, the shitcoin casinos (coinbase, binance, gemini et al) could be selling paper bitcoin that exceeds the 21M hardcap. we'd never know until/unless there was a run on the bank, which is extremely unlikely given how much of their holdings are institutional which cannot hold for themselves and must use a 'qualified' custodian