Larger businesses have a proportionately larger need for money to sustain themselves. Big business doesn't mean rich business. Look what's happening to the airlines.
“I don’t think we’re ever going to lose money again,” -Doug Parker, American Airlines CEO, 2017.
Let 'em fail.
But letting the weakest one fail as a warning to the others that the bailouts are over and perhaps they should learn to save against rainy days isn't the worst idea.