The dude has a staff of 30 people who's whole job is to connect him to literally anyone he wants to communicate with -- you're telling me that the usability of concierge service with more than two dozen staffers is inferior to using signal in a building with shitty cell service?
I've wondered about this quite a bit and imagine there's got to be a "telephone" (the game of message distortion) like aspect where if some of the communication was explained, even a little push back might change the outcome. For example, a human intermediary presented with "send these details to these people" might get a "are you sure this person should have access to this?" ultimately preventing a bad/illegal action. People avoiding this kind of accountability, even just to a communications staffer, seems like it would have to be to reduce the subtle steering that happens when people are faced with conflict they don't want to, or have run out of psychological budget to, address.
