To my knowledge the Fed hasn't lost a single dollar on any of their loans. Do you have evidence to the contrary?
Nope. Read the
Employment Situation Report.
"In January, the civilian labor force participation rate was little changed at 64.7 percent." From 64.6% in December (the labor force grew by 111,000 people in the most recent Household survey.
This is indeed worrisome. But it really has more to do with the fact that we were already running ~4% deficits (at the peak of the bubble and during full employment) than any short-term measures taken to break the cascading deleveraging of last year.
So you can add another question to the two above . . .
3) What would be the federal deficit and national unemployment rate in a world where there was no financing available at all?