I think this is a next step we must demand after everyone gets on board with E2E messaging.
Metadata is still data!
Metadata is still data!
Let's imagine a situation where all the messages from Meta's platforms are leaked. On other scenario message content is plaintext, but senders, receivers, timestamps and locations are encrypted (on top of app usage behaviour).
On the other scenario, all the contents are encrypted, but the metadata is public.
We would know to whom everyone, in anytime, in any location, in which interval has talked to.
Which is more dangerous or damaging?