The video is a very short news item about FEMA testing the emergency alert system this week, but that’s not what I thought people would enjoy. It’s the comments - people are going batshit insane with every conspiracy theory you can think of (and more that you never would).
They are all talking about emptying their batteries, lets not tell them there’s an option in settings.
https://www.manchestereveningnews.co.uk/news/uk-news/how-turn-emergency-alerts-your-26755170
It sounds like it: https://www.fcc.gov/consumers/guides/wireless-emergency-alerts-wea
Airplaine mode is also working.