Again, you of undue certainty: the government attempted this potentially legal avenue, and it was adjudicated as impermissible. Meaning what they tried didn't work. Why are you acting like no one else here understands what has happened? Probability dictates that you are almost certainly not the smartest person in the room.
You can say this person is an idiot all you want, but the fact of the matter is that if DoD does not want to deal with Anthropic through Palantir, their only legal recourse at this point is to drop Palantir. They shot their shot with this legal gamble to remove Anthropic from the supply chain, and they failed. That's it. Curtains or deal with it.