"...A proprietary model that the U.S. government is treating like something just shy of a nuclear weapon..."
This is more than a little hyperbolic. Maybe "just shy of Valium"?
Same thing that happens when a FOSS tool is released of something that is a private SaaS. The company will make it insanely hard to migrate. We already see this happening with OAI and Anthropic. E.g. see https://news.ycombinator.com/item?id=49367350
"It wasn't our insane trillion-dollar promises, it was those dastardly Chinese communists offering the same products cheaper!"