End-to-end encryption is secure because it protects the contents of your communications in transit between the endpoints. If you make one of those endpoints an editor at The Atlantic, no amount of encryption is going to save you from your own stupidity.
@evacide It was said that Ceasar got messages from the battle front written on the scalp of messengers (people who was trained to run fast). When the message was received the message was destroyed. Not humane but it worked and no editors was in the loop.