Earlier quoted context omitted.
Agreed, all ads are bad. And let's call the advertising business model what it is: a get rich quick scheme. Undercut the straight up competitors that charge for their product by fooling consumers into thinking you're offering what the other guy is offering, but for free. Come on, who could turn down that? Or make something "valuable" that no one is willing to pay for (WTF?), so again make it appear free. Only the tru…
This is not quite as straightforward, though. One advantage of our ad supported internet is that quality of access to ad-supported services varies very little with one's wealth. A teenager in Mexico (or India, or... you get the idea) with a low end smartphone, coffee shop wi-fi and no credit card gets the exact same Google, Youtube and Facebook services than a Silicon Valley VC with a Mac Book Pro and a huge bank acc…
However, the real cost is the content that's not created. If an author is paid by the book then they tend to be of reasonable length. When paid by the page, you get content that never really ends. Compare MMO's with single player games and generally MMO's last much longer, but are less fun while your playing.
Advertising driven content is similarly insidious. You don't want people to spend a lot of time reading or thinking, just click click click.