I think they just can't take on anymore debt because with them basically liquidating all of their cash producing assets they see the kings as their only "cash cow". they simply refuse to put it at even more risk since they do not have the cash on hand in case its needed. And if they take the nba's loan thats even less personal income for them every month(or however the terms are). They see this as a deal thats a money making type deal not a hobby deal like most owners would.
Although sports franchises arent intended to be much of a profit producing venture if run at minimum payroll with regards to the roster and bare bones in regards to everything else the new CBA has been structured to increase revenue sharing thus allowing the maloofs to possibly walk away with a significant profit. Being an accountant I know they have ways to show losses against income i.e their own salaries, having family on the payroll etc that arent "real" losses. So those of us who think they will default or not make payroll shouldnt get to excited about that.
The funny thing is is that revenue sharing wasn't necessarily put in to allow owners to walk away with more money, it was put in so they could spend more on players and be able to compete on the court with bigger markets. The maloofs, being broke, have twisted this and are using those revenue sharing checks to live off of. Dont think for a second that Stern and his finance guys, or even the other owners who write those checks, arent pissed about it. They meet the minimum, and walk away with the rest.