No he is right, he is saying taken to the extreme. The point is the more and more specific you have to prompt, the more you are actually contributing to the result yourself and the less the model is
Yes but the build up isn't manual. You go patching prompts with responses until the final result. The last prompt will be almost the whole code complete, obviously.
it is not. But the artifacts generated through the steps will be code. The last prompt will have most of the code supplied to it as the context.