LLMs have not improved the output quality of high level engineers — may have increased volume, though. One of the biggest things it has done however is given nontechnical people the ability to code MVPs in a very short amount of time. Yes, the code is ugly, nonsensical, and weird to look at. Can you build quick and dirty prototypes in a few hours? Yes.

Land mines are still very much in widespread use

Is OP stupid

I don't know. Perhaps if you elaborate a little more I can answer.

Completely different type of AI

It’s a different type of AI. LLMs hallucinate because of their structure — computer vision and algos don’t in the same way