The stock is actually up today: https://www.google.com/finance/quote/YELL:NASDAQ

That's how broken their financial situation was. Shutting down might allow the shareholders to collect something. Maybe.

Note that US Taxpayers are effective owners of about 1/3 of the company due to past loans.

I believe they are referencing executives not stock owners. I imagine a company like this going out of business is pretty profitable for execs... but thats just me guessing. Its entirely possible that this company was run by the few executives with souls and a sense of actual responsibility