Earlier quoted context omitted.
How do you build in redundancy, though? If China makes widgets for $0.13 a unit and the US makes widgets for $0.15 a unit, how do you incentivize people to buy some of them from China, and some of them from the US? It seems like the logic of free trade and specialization dictates it's mostly all-or-nothing. That's a genuine question, by the way. I'm curious.
Like Chaos Monkey, but with import/export bans and/or tariffs?
You lose some efficiency but gain in resilience. Nowadays big internet companies have all sorts of Disaster Recovery plans.