>> There are so many other issues to worry about at the moment more immediate than solvency.
The U.S. government spends about one-third! (roughly 33% to 39%) of individual income tax revenue strictly to pay the interest on the national debt and that is not even paying off the principal balance itself:
https://budget.house.gov/imo/media/doc/cbo_baseline_february...
A raise in interest rates for treasuries, can bring this into 50% to 60% within days.
Yeah...worry about other things...