It's the same principle as Amazon choosing to ignore the scams on their store. Amazon still benefits from scam reviews, for example, because those reviews enti

It's the same principle as Amazon choosing to ignore the scams on their store. Amazon still benefits from scam reviews, for example, because those reviews entice people to make purchases from Amazon. Amazon profits from the scam, and has little incentive to do anything about it, given that the vast, vast majority of their customers don't know or don't care about fake reviews in the first place.