Just / Wile,Nothing you said changes anything I said.
1) Who cares if china no longer gets its corn and soybeans? If we are at war, starving them is part of the strategy of war.
2) I don't know what Boeing is doing, making planes in China for the US government. Sounds like treason to me, but I would need some details. Educating China how to build a Boeing Airliner constitutes a massive breach of intellectual property. And the US Government would be well advised not to rely on any China made airplanes, for several reasons. Quality issues, and backdoors hidden in the control system. Having a critical USG plane simply drop out of the sky because China sent a kill signal to the controls would sort of endanger the United States.
The world trade issues are enormous. No single chart - no room full of charts - can diagram even the segments like US aircraft in China. Plus, much is not for the public to know.
In re 1); US corn and soybeans do not go to China for free.
In re 2); Boeing (USA) nearly went bankrupt. Boeing China, Inc makes major components of the aircraft for both China's fleet and some others.
"Treason" not part of the equation. All this discussed and debated well prior to any export license for anything issued. "Intellectual property" does involve trade-offs. They are minor however.
US Government (Again, don't read the Washington Post !) disagrees with you. Capital acquired, prevention of bankruptcy and avoiding massive US unemployment most important. Plus, any void would be filled by competitor AirBus Industrie.
Am not clear re "if we are at war...". Who is "we" ? The US is fractured and it started before US businesses entered China and continues even today. All the debates and unpublicized agreements worked out well prior to matters going public.
I know the real world trade danger but must read the forum rules again before I'd practice my typing here.
Will close by mentioning that if the ~ 2,000 + US companies leave China, US Government checks supporting such matters as such as California and New York pension funds, stop. Then there would be domestic problems.