Wrong, I see them as much or more than I see completely insane, unrelated ads for things like "managing my herd of cows". I do not live on or anywhere near cow farms, or know anyone who has cows, or lives near cow farms.
The rate should be zero, or very very close to it.
With the amount of money they've spent minimizing liability and covering up what a dogshit job they do, they probably could have hired enough humans to handle manually combing through each submission, and an engineering team to train a classifer. It's disgusting imho