If the goal is to protect American networks and systems, then the action by the Administration backfired, by removing a key capability from US defenders and throwing the trustworthiness of the US ecosystem into doubt. They are laughing at us in Beijing.
Not all the signatories believe we should have any AI controls, but if we do they have to be evidence-based and fairly applied. Any fair application would catch most of the US foundation models, and also be useless as Kimi 2.7 has the same capability.
