A typical legal rationale for protecting the consumer is based on the notion of policing market failures and inefficiencies, such as inequalities of bargaining power between a consumer and a business.
It sounds kind of expensive when you first check out, but it's actually pretty cheap if you consider it. Take something standard like a Philly roll (nori, salmon, cream cheese, cucumber, avocado). At Maki it will cost you $6, but the roll is pretty fat and you get 10 pieces. Most sushi bars charge around $5 and give you 6-8 pieces.
The total fat content of one Domino's Philly Cheese Steak Sandwich is 28g, or 43 percent of the total daily value of fat. Fifteen grams of this total are listed as saturated fat, which is 75 percent of the recommended daily value, and 1g is trans fatty acid.