They didn’t have to, they decided that it’ll be more stable to revert them for the holidays, so that they won’t be in the office fixing issues on Christmas.
Not sure why you are getting downvoted, but this IS the key worry: That people lose contact with the code and really don’t understand what is going on, increasing “errors” in production (for some definition of error), that result in much more production firefighting that, then, reduce the amount of time to write code.
Losing contact with the code is definitely on my mind too. Just like how writing can be a method of thinking, so can programming. I fear that only by suffering through the implementation will you realise the flaws of your solution. If this is done by an LLM you are robbed the opportunity and produce a worse solution.
Still, I use LLM assisted coding fairly frequently, but this is a nagging feeling I have.
https://x.com/trq212/status/2001848726395269619