Example: checking 100 phone notifications about spam email is probably less important to society than a radio alert about a tornado warning.
I'd expect people mostly listen to radio because they are bored while driving, which has about as much "importance".
Dead phones and offline towers are not unheard of in disaster situations.
For example: https://twitter.com/CarmenScurato/status/910957644256546817
I'd expect people mostly listen to radio because they are bored while driving, which has about as much "importance".