This is the difference. Apple is explicitly opt-in. (In fact, a very large number of people opt-out of Apple's as soon as they get the prompt.) The non-Apple on

This is the difference. Apple is explicitly opt-in. (In fact, a very large number of people opt-out of Apple's as soon as they get the prompt.) The non-Apple ones are completely opaque to the user. They should all be opt-in.