> LLMs make me significantly faster at writing code I was mediocre or bad at. But when I use it to write code in domains I have more knowledge in I see design and correctness problems all over the place and actively fix them and it slows down my output.

I think a very similar phenomena is called Gell-Mann amnesia effect: https://en.wikipedia.org/wiki/Michael_Crichton#%22Gell-Mann_...