Then, we also have the problem of unencrypted backups on Android and server-client encrypted backups on iOS (over which we have little control) which are 'promoted'. Although, local backups are available, this is not made clearly evident and the process is not very 'streamlined' (to say the least). These issues seem to undermine our privacy despite the strength of the Signal Protocol itself. Don't you think it's time to change? (https://www.thinkprivacy.io/choosing-the-right-messenger)