Radio can send signals between continents with zero infrastructure between the sender and receiver.
The only way to receive news or bulletins for weeks was just one remaining AM radio station that kept broadcasting even as the storm hit and their building began to flood.
Deliver the news to you anywhere and everywhere with a receiver that can be built from scavenged garbage. Terrestrial absolutely still has a place, and will most likely outlive the internet.
You’re right that experiencing a movie individually on a phone screen is the ideal medium.