Everything should be encrypted, always. We live in a time where hardware for en/decrypting is so fast and cheap that they can be included in any device. If you send somethig through a it should be encrypted. If you send something over the air, it has even more reason to be encrypted. I see no scenario where it should not be.

HOWEVER! For law enforcement and other official governmental agencies I think all communication should have to be recorded. And failure to do so should have very high penalties. Transparency should happen after, not during the communication.

Off topic, but how do you do that on Lemmy? In jerboa there is no option (that I know off) to browse another instance. Do you open your home instance in one browser tab and the one you want to explore in another and once you find a community you like you switch to the other tab and subscribe to it there?