It does not, as they are far too small to be "systematically important". If they fail and their assets cannot support their deposits, their depositors will get a haircut.

This will not go unnoticed by depositors.

It's one of the clearer unfairnesses of this bad decision.

it does not, credit unions are not members of the FDIC. They are members of the NCUA, which serves the same purpose as the FDIC for credit unions