What file types can’t you burn to a DVD? Or in case you mean a file format that can be played natively on a DVD player, just get an authoring tool like dvdstyler that will convert any format into something you can play directly.
On the other hand most DVD players newer than 10 years will also just play mp4 without any issues.
Deepseek is no more or less restrictive than ChatGPT, and the American clowns are also threatening democracy. So I don’t see any reason to avoid one over the other. Unless you refuse to use both, that’s just hypocrisy.