There are many banks whose management system is very bad. Banks don't work properly so many people leave the bank and their existence goes down a lot. In that case, the bank incurs losses and the demand for crypto increases. In crypto, everyone can trade independently. Stocks are more likely to fail because they do not depend on the economy. In the case of banks, if the economy suffers, the rate of the bank decreases but there is no effect on crypto.
The pandemic didn't stop people to withdraw or to save money.
While in the banks during this pandemic, they have to set limits to control the influx of their depositors for the withdrawals of cash. Because they were avoiding the shortage of cash on their ATMs or branches.