As we have noted before (see, for example, 1, 2), marketers are sometimes ethically challenged in their quest to generate more revenues and profits.
Here is an interesting video of 10 ethically questionable marketing practices. NOTE: Some of these tactics are sexually suggestive.
People look for the quick and easy to achieve something, as misleading as these commercials were they played into the human psyche and were successful in promoting their product for the short term, however long term results, success and the well-being of their consumers was ignored.