It's a top to bottom approach. Get the UI/UX working, make incredible marketing, sort out the technical foundation later. Excellent executed from a strategic point of view. Let's see if Arch is the best foundation for such a project. I don't know.
Personally, I hope, Debian isn't shutting the door on LLM-supported coding to improve their legacy tooling. I believe we have a very short window to use almost-free LLM fixing internal debt and outstanding issues with our FOSS setup.