The head of the Signal app has criticized plans in the EU to allow messengers to have backdoors to enable automatic searches for criminal content. Signal is considered one of the most secure messengers.
If you are running Android Open Source Project without Google Play Services, Google has no control. However, manufacturers could be pressured into locking bootloaders and then no one gets AOSP or GrapheneOS at all.
So first step is installing an alternative phone OS then.
yeah, except according to my understanding of the topic, there is not much adult alternatives. graphene will have the same problem.
If you are running Android Open Source Project without Google Play Services, Google has no control. However, manufacturers could be pressured into locking bootloaders and then no one gets AOSP or GrapheneOS at all.
You can move to WiFi tablets then. The hostile network boundary would then begin on your MiFi router.