Very interesting post, but most was way above my head I can honestly admit. But about the thing you quoted. I have seen russian studies posted by doggcrapp(cant remember on wich board) that shows mega high ammounts(cant remember amount but it was around 500g or so) of protein is indeed more anabolic then just high dosages.
So I guess there is no final word about this. One just have to listen to the body and I can honestly say that I gain the best when I eat ****loads of protein
not to mention its better to increase kcal ammount with protein instead of carbs. Atleast if concerned about fat gain cause of proteins ability to increase metabolism and the energy required to use protein as a fuel.