Arianespace is only building and operating launchers. Airbus is also the biggest satellite manufacturer in Europe. They’re in crisis right now, same as their direct European competitor Thales Alenia Space, due to Starlink destroying the traditional space Telecom market, of which they were leaders.

The runner is open source, and that’s what matter in this discussion. If you host the model on your own servers, you can ensure that no corporation (american or Chinese) has access to your data. Access to the training code and data is irrelevant here.