Serious question: how would it be different if JD etc al used a "proper" secure comms app? Perhaps it would be harder to add a random journalist, but they could still accidentally add the wrong government official (maybe).
Such an app would have access to the DoD global address list in Exchange. It would also encourage a handshake akin to “are you in a place where you can securely talk?” which would have taken the Russian envoy out of the chat.
