insuring 10-year T-notes against default sold by the same people who are selling you "sun goes nova" insurance US treasuries can be paid out with created acco

insuring 10-year T-notes against default sold by the same people who are selling you "sun goes nova" insurance US treasuries can be paid out with created accounts. this is US law. inside the US, treasuries essentially cannot default by definition while the government and banking system is intact. if the government and banking system dissolve, who is going to pay out these claims and how? nonsensical