Google’s safeguards to anonymize location data aren’t foolproof. “This is all very new and very untested and made up as they go along,” EFF’s Andrew Crocker told @Business. “And that’s, from a civil liberties point of view, very dangerous.”
https://www.bloomberg.com/news/features/2023-09-28/google-user-data-is-police-s-top-shortcut-for-solving-crimes