They still need to cover. Audits need to be done to see how many they owed. They can’t just vanish. In this era, we have audit trails for each transaction no matter how quick and how many quantities. Those transactions logs are the evidence.
Horsebe, the only way they can do nothing if Nwbo goes BK. If Nwbo instead goes parabolic, they certainly need to pay a lot more. They can’t just as if nothing happened.