Also the thing to consider as well is that any management level trust position in a white collar setting is off limits to her for many years after that as well. On account of people being slow to entrust ex-cons with responsibility.
She'll make way, way, way more money selling her tv/movie rights to Apple or whoever makes the definitive documentary-drama on the matter. Like 'F you, never work again' money.
Mostly articles like https://lawprofessors.typepad.com/whitecollarcrime_blog/2015... (this case is also being prosecuted by SDNY) and a general expectation that she won't go scot free (so not just 21 days) but also that SBF is the one they really want to put away.