I'm going to put the answer to this on hold. We're going to look at the spots in the game that reference 'loot pile' before formulating an answer.
Yes, you'll fight shtickless. If you win, the battle is a draw.
Right, only an unflipped shtick will flip, even if it doesn't normally flip.
You will fight shtickless - no calling it off. And when fighting shtickless, battles you win are a draw.