Yes, that is one premise of BNW, constant engagement and thus constant and immediate satisfaction is one purpose of the media, but media as a form of propaganda

Yes, that is one premise of BNW, constant engagement and thus constant and immediate satisfaction is one purpose of the media, but media as a form of propaganda is an age-old tactic. The widespread reach of modern media just makes it easier to spread any given point of view, with the chance going to the highest/most powerful bidder.