Yeah, I never understood the argument. You're just trusting Apple vs. trusting the dev, either way you are trusting an entity that may or may not act in your best interest, and both entities are subject to subpoena. They could also just use firebase cloud messaging and treat it just like APNS.
There's nothing magical about Apple's services that makes them immune to government requests for data, despite Apple's privacy marketing.
There's nothing magical about Apple's services that makes them immune to government requests for data, despite Apple's privacy marketing.