The three bank runs which already happened had idiosyncratic causes, but “if accounted for accurately, the bank is insolvent” is the sort of thing which, if one stipulates to it, one would suggest might generate bank runs in the near future. And so there was a policy response, which much commentary has assumed is primarily about the banks which no longer exist, and the satisfaction of their depositors, and which is actually much more about banks in danger which might yet be saved.
