>The Department reasonably feared that Anthropic might manipulate Claude’s design to prevent it from performing national-security functions that the Department deems contractually authorized and necessary (emphasis mine)
They didn't "reasonably" fear anything. There is absolutely no evidence to support these allegations. Anthropic has the right to impose licensing terms. Merely disagreeing with the government is not evidence of wrongdoing.
If Anthropic wasn't allowed to say what they said, how would they be allowed to object to their government's illegal use of their products at all? It sounds to me like their only choices were "shut up" or "be punished", which is a clear-cut violation of their rights.