People are so confused about this. They underestimate the cost and effort that would be needed to just grovel around in GA logs and infer things, nevermind the fact that Google promises not to do it. Then the same commenters overestimate the expected value of successfully doing it, handwaving about how valuable it would be when in reality there is not a market for such data. Finally, they underestimate the risk it would pose to the adsense business, which prints more money than Jerome Powell, and the risk averse culture of Google who would not put that business in jeopardy for anything that pays less than a billion dollars per hour.