not entirely true... you can pair a new device which shares the decryption key. hell, you could even do a p2p sync so the server stores nothing... there are ple

not entirely true... you can pair a new device which shares the decryption key. hell, you could even do a p2p sync so the server stores nothing... there are plenty of options that get technically harder with each increment (perfect forward secrecy gives you some limitations), but you can absolutely backup and restore, or even live sync conversations between multiple devices even if it’s e2e