There are no scenarios where anyone manages to talk China or North Korea out of these peacefully. And while there probably are many where we win in a shooting war against either or both of those, none of those scenarios conclude with the world economy intact. What consumer goods can you name that your country makes domestically? We don't even make clothing domestically anymore. I suppose most are self-sufficient food-wise, so there'd only be a slight uptick in famines...

Hell, there's an entire younger generation that can't even bring themselves to condemn Maoism. But you want to sacrifice tens or hundreds of thousands of lives driving tank columns into Beijing?