Let's face it: if you and I have the same capabilities, the same energy, the same staff, if the only thing that's different between you and me is the products we can get, and I can get a better product than you, I'm going to be a better chef.
One should not forget that there are very few surviving items from this period, often just single, small bones, a tooth, a sliver of the skull. Categorizing these pieces can be very difficult.