Yeah, the fees and lower interest rates from this will be pretty brutal for the poor. Not using tax dollars is actually pretty regressive.
I'm fairly sure the poor aren't that affected by interest rates - the very definition of being poor is not owning much in the way of assets that could earn interest...
Assuming it's a one time charge and not a contagion, it sounds like why we have government and FDIC.
It's more the state government budget for about 1/3 of the states in the union