No vibes and there is voluminous evidence, eg many links here: https://spreadprivacy.com/how-does-google-track-me-even-when... as well as Google Takeout itself. Oh and I forgot location data and shopping records, those are huge. So the collected data about you are well documented.

Given the data, why would a trillion dollar company leave money on the table? Their shareholders DEMAND they monetize it. There are few forces against this.

https://www.eff.org/deeplinks/2020/03/google-says-it-doesnt-...

Given the 2.095 trillion reasons why this should happen, and few reasons it shouldn't, you should demand evidence it DOESN'T happen. Presumption of innocence is backwards when there are market forces.