Meta/Facebook preinstalls an app called Meta Services (previously Facebook services) on a very large percentage of android devices (I’ve never used one without it) and while they claim it helps updates and synchronisation between different meta apps, it is very suspicious. Why preinstall it on devices of people who will potentialy never use a single meta app?
Go to your app list/app management and show system apps and find anything with the words “meta” or “Facebook” then turn off network access for those apps (if you can) and disable them. (eg. Meta app manager, Meta app installer).
https://www.askwoody.com/forums/topic/meta-services-an-android-app-or-not/
https://fixyourandroid.com/about/facebook-app-manager/
https://www.reddit.com/r/GalaxyS20FE/comments/ttmx4t/meta_services/
Edit: Looking around I have found several people complaining that this app is using their ram for 10 hours a day even though they don’t use anything Meta. That’s even more suspicious.
I’m typing this message on GrapheneOS. My point isn’t that it’s completely impossible but rather that degoogling basically has to become your hobby in order to fully do it. It requires a level of effort that’s not practical for the average person so its unreasonable to expect everyone to do it. Also, FOSS and non-google alternatives are often not as good as the service google provides for free, like Google Maps. I use OSMAnd as my daily maps app, but its pretty finnicky and isn’t anywhere close to the smooth, polished experience of Google Maps, and its lacking some important functionality. I still use it, because I’m committed to trying to avoid Google software as much as possible, but its definitely not the best experience.
Also, a lot of institutions andemployers use the G-Suite and so its impoesible for people that have to do business with those organizations to be entirely free of google. My university uses the G-Suite and when school comes back in the fall I’ll be stuck using it again. The local school district does too.