The parent is correct. What a lot of HNers don't understand is that: 1) if you're a digital marketer with a budget, you have to spend the budget. Even if you

The parent is correct. What a lot of HNers don't understand is that: 1) if you're a digital marketer with a budget, you have to spend the budget. Even if you know the metrics don't add up, you just keep spending until somebody finds a platform with a better ROI. 2) ad platforms don't like to talk about their secret sauce, because that would attract scrutiny.