Seems unnecessarily adversarial of you. I think Moxie has justified his standpoint relatively convincingly, even if you may not agree with it.

And to some degree, the success of Signal, or Signal's protocol as implemented widely used services in WhatsApp, supports his approach. If cypherpunk-purists had their way, encryption would still only be a thing exclusively used by a slim minority of nerds who are capable of managing PGP and all the complications that come with its fragile nature.