Fannie Mae-No Politics (FNMA)

[bcde]

"What problems would the shareholders face with such an outcome:"

You are 100% correct in expecting that SCOTUS should set a precedent by reversing all the harm done by unlawful FHFA conservator what ever it may cost FHFA.

If Gov wants to use FnF as public policy institutions, then Gov can not harm them without harming the economy. So not a such possibility.