Very interesting. You don't have any need for persistent storage that exceeds the amount of information that can be remembered? (E.g. work artifacts, photos, passwords)
Securing cloud hosted documents is obviously another discussion.
[1] https://tonyarcieri.com/4-fatal-flaws-in-deterministic-passw...
[2] Also related: https://news.ycombinator.com/item?id=13016132