It's because JPMorgan Chase and friends think there is too much risk of intraday bankruptcy right now and no one wants to be left hanging on their loan.
Or the entire bank can be purchased/merged in which case your loan becomes an asset on the purchaser's balance sheet.
Bankruptcy doesn't mean "all bets are off".
It's because JPMorgan Chase and friends think there is too much risk of intraday bankruptcy right now and no one wants to be left hanging on their loan.