> It covers aspects (think pareto principle) of email, linkedin, slack, github, dropbox, whatsapp, online banking and probably more core use cases that I don’t have on top of my mind.
Soooo... A centralized solution for everything? ;)
The clients are. The platform they all run on top of is centralized, made up its own irresponsibly insecure key handling and crypto protocols, and is proprietary.