Defaulting would also slash the dollar (and our trade balance), jack up interest rates (putting the brakes on housing and infrastructure construction), and reduce our status as the largest free economy.
Aside from the usual times he makes himself look and sound stupid in public, he has a magical way of doing that to himself in pics, too. Our Commander in Chief of all our armed forces actually saluted a Russian military official as if that was what needed to be done to show his abject subservience. Even the Russian would have settled for a handshake. He, along with all the other “felonies” attached to him, did so much to trash America’s prestige and standing in the world.