How to reduce your Google footprint
If you can't get rid of your Google account (yet) at least you can try to limit the damage.
Overview for Location tracking
Android tracking considered in breach of GDPR by seven European consumer organisations
Sharing of location data by mobile OS is almost impossible to turn off
Vanderbilt University study reveals the extent of Android and Google data collection
Passive collection of personal data from Android and iOS by Google monitored and measured in significant academic study.