It’s amazing. They seem to have genuinely not known any better and either no one was there to tell them otherwise, or they dismissed it.
Discussion
Dismissed it. The protocols re who’s on what or why and when and how are so clear that it would give any reasonable person pause 🩷
There’s electronic countermeasures routinely available for anything that sensitive. Most common would be a radio jamming. That’s not even something that would be messaged outside of a secure room, much less people apart, and on a civilian use platform