> Not sure how they can expect to make a viable full OS without massive use of LLMs, so this makes no sense.

Every single production OS, including the one you use right now, was made before LLMs even existed.

> What makes sense if that of course any LLM-generated code must be reviewed by a good programmer

The time of good programmers, especially ones working for free in their spare time on OSS projects, is a limited resource.

The ability to generate slop using LLMs, is effectively unlimited.

This discrepancy can only be resolved in one way: https://itsfoss.com/news/curl-ai-slop/