Absolutely, those are problem we know exist and this model risks making worse. The basic arguments is the big move towards cost by impressions if this catches on and becomes a dominant model, and the fact that banners of limited visibility is easier to stack. Huge white, or even invisible, banners littering the page will not disturb the casual user.

Google lost the fight on content farms several years ago. You are more likely to find reprints than original material if you google a breaking story or meme for example, even if there are exceptions.