It's not like they don't have value ~ they have had a loss. The federal government's general budget, however, is essentially ALL RED INK.
Any business shuts down the nonperformers first! There goes DOD, DOE, DOE, federal court system, White House mess, Interior, FBI, Treasury, and so forth. All those agencies don't bring in a penny! DUMP THEM.
I know by well how to build and run businesses. I would shut down the USPS.