Sure, but I (as an advertiser) don't want to buy advertising on cat pages, but to reach people who like cat pages. Google tells me this is their interest; that

Sure, but I (as an advertiser) don't want to buy advertising on cat pages, but to reach people who like cat pages. Google tells me this is their interest; that they have exhibited behaviours that lead them to believe this is their interest, and because they can make self-driving cars, I believe them. ... but: The truth is, it's just a cookie that is held by people who visited pages about cats, and people who like money.