[DoingIsLearning]

For seniors I think it depends on how much breadth you need. I find them very useful to explore/poke around new areas where I don't have domain knowledge. I agree that areas/problems that I worked in the past it just slows you down but as you move into more unknown territories they are kind of nice to have as a sparing partner.

[piva00]

Similar to my usage as well, it's a good start for unfamiliar territory to quickly get up to speed but you can hit its limits quite fast.

I've been toying around with embedded development for some art projects, it was invaluable to have a kickstart using LLMs to get a glimpse of the knowledge I need to explore, get some useful quick results but when I got into more complex tasks it just breaks down: non-compiling code, missing steps, hallucinations (even to variables that weren't declared previously), reformatting non-functioning code instead of rewriting it.

As complexity grows the tool simply cannot handle it, as you said it's a good sparing partner for new territory but after that you will rely on your own skills to move into intermediate/advanced stuff.