It’ll do things like write a great helper function that it uses once but never again, maybe even writing a second copy of it the next time it would use it.
Holy shit! That exactly explains why I’ve seen so many duplicated functions lately. I brought it up to the dev responsible the first time I found one (git blame), and he was just like “oh haha I can remove one” like he wasn’t quite sure what I was talking about, now I realize he must’ve gotten on that AI train much earlier than I thought…
I misremembered slightly, overall biggest impact were the top 2:

Only two categories of ultra-processed foods have been associated with premature death.
I saw a video where they talked about a bunch of studies about ultra processed foods, and the top 3 worst foods for health were (iiirc)
Those 3 were like 99% of the danger of processed foods.