> FWIW, China is suddenly talking about model export controls. ...

Thanks for the hint. It makes sense, even if the main driver for releasing the models is to reduce the market size for the US companies.

Do you have any sources?

Edit: "market size"

The main source I'm aware of is this Reuters article: https://www.reuters.com/world/beijing-is-looking-curbing-ove...

However you should take it with a pinch of salt because IMO their direct quotations do not support their title.