To Crab or Not to Crab???

I learned an interesting fact while shopping yesterday......Did you know that imitation crab meat is not considered a food product? (finally the crab catches a break, someone should inform him that he has been taken off the menu)When I got to the checkout line i was informed that my imitation crab would be taxed (oh the horror!!). Now I am thinking to my self, non food product hmmmm.........{sponges, napkins, sandwich bags, aluminum foil} I can understand these items, but crab meat? What do you categorize it as? If the grocery industry does not consider this a food, exactly what fits the criteria for "Food" and who makes the distinction(Sebastien or Ariel perhaps).........