And also if you stop using it you need to [buy an apple product/root your phone(and then your bank apps don't work)/stop using phones altogether(which doesn't go well pretty much anywhere[•])]. So there's really only the option to give up your privacy to either google or apple.
[•] I personally lasted two months without a phone once (2016 Japan), since 80% of services would outright refuse you if you didn't have one, while the rest would pester and harrass you extensively before finally giving in.