

On iOS and most androids, your Mac address is only scrambled per network. So when you connect to the same network again, your device will use the same Mac address. This generally isn’t an issue if you’re using a private wifi network, or any network where the password isn’t public, but for public wifi it makes it much easier to identify you.

The government isn’t the only threat e2ee protects against. When a non-e2ee service is hacked, the data is free for the taking, if the service is e2ee the data is only available from that moment forward. I’m not going to speak for which provider you should use, but you should reconsider needing e2ee.