Also, there is nothing wrong in advertising as a concept. Advertising has existed as long as products have existed. The problem is tracking and data collection/

Also, there is nothing wrong in advertising as a concept. Advertising has existed as long as products have existed. The problem is tracking and data collection/exploitation about some very granular aspects of users. Also, even if you take away advertising, the problem remains of addictive apps and 'persuasive' design which will still remain. To tackle that is a whole different discussion altogether.