You're looking at remnant inventory. Inventory (advertiser speak for "a page view plus a slot available on that page which we could sell an ad against") are a lot like cuts of meat. Some are worth a lot of money. Some are not, and end up getting sold to be turned into fertilizer or paste to infect cows with all matter of diseases. Things that tend to make inventory worth more money: 1) Better matching algorithms. Thi…
It shouldn't sadden us though. We have to protect our children from this crap, the best way is to not let them see it until they are old enough and then to teach then how to distinguish between information and bullshit from someone selling crap.
We can only go so far in asking others to protect our children and our elders, we have to step up to the plate also.
We still haven't figured out how to turn the tables on this and monetize our attention, it is extremely valuable, more so than we think.