[Mediterraneo10]

> One difference is that ... Google ... are not governments and have no real authority over you.

Legally-required quarantine-checking apps or contact-tracing apps in some countries have only been made available through the Apple and Google Play stores. The Android apps often require Google Play Services, which require a Google account.

The same will likely be true of the vaccination-certificate apps that are being planned in some countries (countries intend to allow you to generate limited-time QR codes, not present a permanent paper certificate).

Consequently, staying on the good side of supposedly private platforms is increasingly necessary to be an ordinary, law-abiding citizen.