This is more about open source in general than Linux specifically, but anyway.
Minor details.
I get the impression that often the developers are passionate about getting things working, but once it works it's hard to keep going to fix 'papercuts': minor UI issues, documentation, small usability improvements, consistency, etc. They want to move on to the next big feature.
Of course commercial products can suffer from the same, but if large enough they may have a program manager who assigns people to specific areas like that which get less coverage when it's based on the devs' desire to work on them.
I'm overall still skeptical, but this does sound a lot more like how I imagine a true AI would work. I've also thought LLMs were a dead end for a while now.
It is canon in the Daft Punk Cinematic Universe that Mozart was an alien, so Beethoven being one is not out of line, and they could be blending in with his planet.
That cancer support line should buy this one also