Never has their jobs been to make consumers buy the products against their wills. Granted some advertisements do tend to manipulate audiences to make sales. Yet in the end it is the consumer's money, and the consumer's choice to make whether or not they want to buy the product. There is no hypnotising trick inputted in the advertisements to get the consumers to buy products. Consumers are the ones with the real power in this type of situation.
Most if not all commercials or ads have celebrity stars or host. These type of commercials are given too much credit due to the image of the celebrity in the advertisement. However the choice still rests on the consumer and his/her decision whether or not buy the product. In all honesty it does not make sense to have a famous celebrity that makes a large sum of money stars in a commercial that goes out to those living off of minimum