I think the US (and Canada) just needs to ride the tide and let all the other boats sink. Pretty much everyone else is screwed. I think people are underestimating the second order effects of the US still having stable energy and farming capabilities. We'll see more stuff get done here and less stuff done elsewhere. Unemployment will be great here no matter what we do really. It will suffer in other countries. Though…
This is the basic premise of this talk by Petar Zeihan https://www.youtube.com/watch?v=Wi_nFz1CJSI&t=2s
https://www.youtube.com/watch?v=7CmXz8Qd9yw
(I highly recommend Perun's channel for analysis of the Ukraine war)
Also, it's a bit hard to take seriously someone that says "so no jets, no F-35, no battleships". Sure it's a throwaway line but it seems like someone trying to communicate something serious wouldn't refer to literal battleships, which nobody in the world uses anymore. It's not something that Perun would say.