It’s much harder to read code carefully than to write it. Particularly code generated by LLMs which is mostly correct but then sometimes awful.

usually yes, but that's why there are tests, and there's a long road before people start depending on this code (if ever). people will try it, test it, report bugs, etc.

and it's not like super carefully written code is magically perfect. we know that djb can release things that are close to that, but almost nobody is like him at all!