> there are certain industries important for national security where a country may wish to subsidize an industry ... against a country like China that is trying

> there are certain industries important for national security where a country may wish to subsidize an industry ... against a country like China that is trying to corner the market through nationalized companies Your argument doesn't even make sense: in the first part you say yes, we need national support for this sector of the economy, while a few words later you say that China is cheating by giving support to the same sector.