Well, maybe the fact that sushi refers to the rice, not the fish. Cucumber avocado sushi is sushi. A piece of salmon, even though often lumped in to the categ

Well, maybe the fact that sushi refers to the rice, not the fish. Cucumber avocado sushi is sushi. A piece of salmon, even though often lumped in to the category, is not. I'd rather have good rice and average fish than bad rice and good fish.