Even though you'll see gnocchi or linguine everywhere in some of the regions of Italy, each of those chefs has their own expression of that which expresses more about the place they were exactly born than it does about trying to be a part of the greater mass. And that's the Italian culture.
Mario BataliAs they say in Italy, Italians were eating with a knife and fork when the French were still eating each other. The Medici family had to bring their Tuscan cooks up there so they could make something edible.
Mario Batali