It could go full Fahrenheit 451 or 1984 with googles power of surveillance and monitoring. No doubt they may have the ability to implement helpful new technologies, but googles revenue model is still advertisement.
Of course you can pay a higher rent to disable them and go "ad free". ;)
I wonder what prevents these at SF?
https://security.stackexchange.com/q/169374/122495 ( How is Google's Sidewalk Labs Tracking me?)
I think the more logical thing to believe is that it was created to remove the appearance of conflicts of interest for PR purposes and give them plausible deniability.