Again, it would be so beneficial for you to learn to read my fucking posts before you respond.
I have no problem with the one law or any of the laws that Devin cites in this case.
He just doesn't know how to fucking apply the laws.
Essentially, he is just like you and all the other goddamn harpies..."CLASSIFIED INFO!!! CLASSIFIED INFO!!!"
None of you fucking know a goddamn thing about classified fucking info.
I do.
However, as I'm sure you ignored, the espionage act doesn't require the info to be classified but simply have a potential to cause harm to the United States if it's released. War plans like described would have been listed as confidential as they could cause harm to the US if they are leaked. But the information isn't sensitive enough to reach secret level as the harm would be short term (failed mission, time to prepare defenses to shoot down the planes, etc...) and would not leave any lasting harm directly.
And even so, the entire crux of the problem isn't the info specially, it was that high level officials added someone who shouldn't be there to a group chat. On a personal phone. As they talked about sensitive military maneuvers. And Signal uses your personal address list on your phone when you add people (or you type the number in manually) SO that means that unless he just happened to hit the right number by accident, he had The Atlantic's editor in chief in his contact list.
If this guy's personal phone was ever compromised, it would be trivial to replace contact info so he'd be adding in spies to signal chats instead of using the actually secure devices that won't add anyone outside of approved people.