The total crypto market capitalization defined as - coin amount multiplied by spot price is about 2+ trillion in stable coin dollars.
The total fiat/paper amount collected is less than $100 billion dollars.
The flow of value is predominantly inflow - from fiat to crypto.
Even a small outflow - from crypto to fiat is going to crash the crypto price and/or break the promised (not guaranteed) 1:1 stable coin peg fiat<->crypto.