Labyrinth 8 Keys for Pink Lightning ? <| sep |> Because it allows the customer to penalize the wait staff for poor service ? The wait staff usually makes more than a normal minimum wage gives which the restaurant is legally obligated to pay the difference if they fall short , the restaurant has less to worry about , and the wait staff has an incentive for providing good service to the customer . How is this a bad thing ? I mean , who does this system harm ? I would argue that it ' s winwinwin . I ' ve always found it funny that America gets a reputation for being lazy and antiintellectual , but foreigners frequently whine about having to do some basic arithmetic for taxes and tips during their daily lives . It ' s not exactly hard to do . It ' s just laziness .