This happens for the same reason a close friend or a family member gives you a terrible Christmas gift. Ostensibly they know all about you, your values, and your preferences. Despite this, it's actually hard to predict what someone really wants or desires.
Not only does this problem remain true despite the high amount of information that advertisers have, but it's compounded by the business model. They don't want you to buy just anything you'd like, they want to sell you some particular product or service which you may never like, no matter the information that's been gathered on you.
Not only does this problem remain true despite the high amount of information that advertisers have, but it's compounded by the business model. They don't want you to buy just anything you'd like, they want to sell you some particular product or service which you may never like, no matter the information that's been gathered on you.