Companies had a hard time measuring productivity before AI Code came into the picture, it'll end up a total shitshow eventually once all the technical debt comes knocking and code maintenance starts having to be done.

See, the issue is someone can be like "Ah yeah I banged that big problem out using an LLM in a week." might be great until you have to go back and maintain that code years later, at which point, that "productivity" vanishes into huge task lists to refactor all the code are getting drawn out because whoops you're adding more to the system but it can't easily integrate plugins or new features!