There's nothing ironic, as since the GP said there is no risk associated with GitHub. Git fundamentally prevents vendor lock-in and tampering, and the project is open, so the US have no leverage and pose no threat at all here.
its not about leverage or threat, same as the office products, the french owned their docs at the end of the day, i thought it was about sovereignty and using french alternatives?
It's the code that's hosted on GitHub, not the documents. Easier to move, easier to negotiate a move. You get visibility and easy distribution until they feel the need to bail.