Earlier quoted context omitted.
Take a look at Zeihan's video where he shows in a graph how US debt level compares to other major economies. https://youtu.be/mcZPOuI-vcU?t=939 . US is in the middle of the pack. US is going to be ok. Also, watch until 20:38. You will see how screwed up some countries are when it comes to debt.
I started watching and couldn't stop until the end. Now the only question I have is how much should I believe Zeihan? He makes a lot of bold assertions, what's his track record?
I do think someone who can hold that much minute, dry details in his brain and can cross reference them is going to be smarter than most of us. He does after all consult for major corporations and the U.S government.