Not only does Google want to know what you buy (Google Pay) they also want to know where it came from, where it was delivered to, and when. And if you have Nest cameras, etc, they know who delivered it (recent facial recognition push) and who physically picked it up and brought it in, or ran away with it. yay.

Google wants couriers to show tracking information in Google Search

https://www.xda-developers.com/google-couriers-show-tracking-information-google-search/