Getting lots of pop-ups from defi masters about the US about to go broke

Hi all, i’m not an experienced investor but more like a little old lady trying not to get wiped out financially. I have to admit I’m very rattled by this notion that the US has crossed a threshold where its debt is at the same percentage of GDP - or higher - that Greece‘s debt was when they had a debt crisis and their citizens lost a big percentage of their savings. What are y’all doing to protect your assets in this worst case scenario?