Topic: Advertising Dreams

Does advertising create desires that people did not previously have before seeing what a company is offering, or does it tap into preexisting desires? If companies build advertising upon dreams or even create those dreams, is it unethical if it causes consumer stakeholders to pursue those dreams to their own detriment (i.e., overspending, credit card debt, hoarding, etc.)? Is advertising ethical as long as all of a companys advertising statements are true, or is there something more to determining the ethics of advertising?