This is interesting. Why do you think that a well tuned/instructed AI is worse at (for example) writing unit tests than humans though? When I write tests, I use structural analysis and perhaps some intuition, which is arguably seen as the most human trait in cognitive skills. If the premise that intuition is actually pattern recognition is true at all, then maybe it's just a matter of developing the right model?

To be clear, I'm not saying that I'd particularly like that outcome (one of the most pleasant interactions throughout my career has been with people that found bugs in my code, so I'd consider this a real loss socially), but I do think that this is actually a reasonable outcome, and probably soon, unless there is magic going on in intuition that we don't understand and can't emulate (yet). But then, it's still only a matter of time until we do discover it?