[snthd]

Probably https://signal.org/blog/the-ecosystem-is-moving/

>Nothing about any of the protocols we’ve developed requires centralization; it’s entirely possible to build a federated Signal Protocol-based messenger, but I no longer believe that it is possible to build a competitive federated messenger at all.

[Promarged]

Moxie is probably annoyed by the slow pace in which federated protocols move. Having it centralized he can move it a lot faster.

Fortunately there are solutions that incentivize modern features in federated protocols too, like SSLLabs HTTPS checker or https://conversations.im/compliance/ for XMPP.