> based on messages using any sort of encryption (like https)
I hope you're strongly /s, because if HTTPS being used as transport is enough to rubber-stamp a warrant, then this is in practice a blanket agreement to surveil all communications on the Internet.
Most approvals are basically rubber stamps. Judges usually just believe whatever law enforcement tells them. Most of the time they spend no time digging into it. Just my experience.
I hope you're strongly /s, because if HTTPS being used as transport is enough to rubber-stamp a warrant, then this is in practice a blanket agreement to surveil all communications on the Internet.