The statement I responded to was, "creating an effective workflow is not trivial".

There are plenty of useful LLM workflows that are possible to create pretty trivially.

The example you gave is not hardly the first thing a beginning LLM user would need. Yes, more sophisticated uses of an advanced tool require more experience. There's nothing different from any other tool here. You can find similar debates about programming languages.

Again, what I said in my original comment applies: people place unrealistic expectations on LLMs.

I suspect that this is at least partly is a psychological game people unconsciously play to try to minimize the competence of LLMs, to reduce the level of threat they feel. A sort of variation of terror management theory.