I'm inclined to think this is part of the Trump Administration's blatant bullying of Anthropic (and favouring other AI companies who bent the knee), rather than a response to any hooplah around Mythos. It's the Trump Admin being fascist, a day ending in -y.
The US government has issued an export control directive to suspend all access to Fable 5 and Mythos 5 by any foreign national, whether inside or outside the United States.
