@ludicity 10 years in data engineering. "Completely useless" is something I've only seen a few times, more often in non-technical managers which wasn't the question.

I do often see engineers who don't understood best practices or good architecture. Or don't understand the frameworks they are using. Or frankly just don't try.

The LLM spell mostly affects the beginner or mediocre engineer. Senior engineers find them mostly frustrating but occasionally useful.