And rather tangentially, there's
this conversation on American, Australian, and European styles of using the knife and fork. Longish, but a fun read. Splayds occur at the very bottom of the column. In plastic.
Now the fella who tries eating a baked potato in Breakingnews' twofisted way with butter and sour cream on it is gonna suffer, given the way baked potatoes hold their heat. Maybe Breaking doesn't hold with sauces, I dunno.
The chopstick wielders basically have to have their food brought to them already cut in bite-size pieces from the kitchen. A Chinese ambassador harrumphed about this a few hundred years ago: "What barbarians! They bring their swords to the table."