Good news! Unfortunately I’m not sold on having to have a bridge to access their email using Thinderbird, so I’m not subscribing Proton Unlimited “suite”. Also no working Linux client for Proton Drive (rclone’s is unmaintained and not working).

Negative, full-res photos with EXIF is not possible to access with rclone (due to Photos API limitations).

This is likely via silent updates of Google’s Play Services.

Yes. And no. Develop capabilities to ensure you can defeat your enemy. Then scale down using game theory. It’s what has been done with nuclear warheads count.

Right now we can’t trust several players so yes, do arm. Also get into politics to prevent bad players (national or foreign) to take over the government.