

It’s hard to tell if you actually are making a coherent counter argument here since your response is 90% ad homenem.
Concepts are high level ideas. Mechanics are lower level implementations of those ideas.
But I think the original poster really meant “vision” or “motif” more than they meant “concept”.
A game with lots of deep mechanics but lacking overall vision is really just seen as a fancy tech demo by most people.
I use LLMs every day for work. Dealing with 100% fact based information that I verify directly. I would say they are helpfully accurate / correct maybe 60% of the time at best.