It's like the current situation with "vibe coding". An LLM can build you something which demonstrates a principle in some kind of hand-wavy fashion, but the gap

It's like the current situation with "vibe coding". An LLM can build you something which demonstrates a principle in some kind of hand-wavy fashion, but the gap between the thing produced by the LLM and a sustainable product is just huge. And, as with the gap between Rickover's paper reactor and his practical reactor, it's often extraordinary difficult to explain to a non-specialist why that is so -- because the difference is all in the detail.