I'd also add as a TextSecure user that I assumed both of those scenarios were plausibly insecure until the recent release with secure group messengering. They'r

I'd also add as a TextSecure user that I assumed both of those scenarios were plausibly insecure until the recent release with secure group messengering. They're pretty open about the weak points in the application generally speaking. I will agree with you about the UI design until the revamp in the latest release, though.