Again, none of what you're saying will make the US government, especially the current administration, care, as they have not cared about many things with consequences either; you're applying logic where there may not be any heed to it.
As well, it is a false equivalence to say that local models are only Chinese and otherwise we would use cloud models, but there are American or European ones, so a ban would simply force companies to use these, even if they are inferior to Chinese ones. It's simply a matter of national security to the US government, and they will not care what random people in media say.
The Pentagon classifies Anthropic a supply chain risk and is appealing a ruling with vigor to reinstate the it's right to decline doing business with them.
I don't know what part of this you guys are having trouble with, but it doesn't get a whole hell of a lot more emphatic on "what the US Government thinks" than who the Pentagon is in court with to avoid doing business with that party.
Mr. Hegseth is the representative of the administration in the AI usage policy of the largest bureaucratic organization in the history of civilization. He has emphatically rejected at least one black box American AI megalab and President Trump has endorsed this action on Truth Social.
The government's stated position is not what you among other commenters are stating or implying as the government's position.