> After working with agent-LLMs for some years now, I can confirm that they are completely useless for real programming. > They never helped me solve complex problems with low-level libraries. They can not find nontrivial bugs. They don't get the logic of interwoven layers of abstractions.

This was how I felt until about 18 months ago.

Can you give a single, precise example where modern day LLMs fail as woefully as you describe?