I've seen people who've suggested the same thing, but not so eloquently. I have to say though, I don't fit into your theory. I'm one of those easy length gainers who does a short intense session once a day, and my gains are plain in my sig. I think this is due to genetics, and in order to fit your theory, we can say that because of my genetics, my "emergency respnse" time is slower, so i don't need to do maintenance during the day.
You say you're a hardgainer - have you benefitted from the techniques you described?