The layouts of supermarkets are not accidental: they are part of a plan designed to make customers walk all the way to the back of the store just to pick up a loaf of bread, passing tempting displays the whole way. But supermarkets can alienate customers by placing popular items in the rear; surveys list inconvenience as shoppers' top reason for disliking supermarkets. Which one of the following propositions does the passage most precisely illustrate? ['Even well-thought-out plans can fail.', 'Distracting customers is not good for business.', 'Manipulation of people can have unwelcome consequences.', 'Alienation of customers is not good for business.']