Earlier quoted context omitted.
> Make sure your devices are turned off prior to even leaving for the airport. Security may ask you to turn them back on, not to search them, but to verify that they are actual working devices, and not a bomb.
Very good point. The key here is to make sure your devices are all fully encrypted. Feel free to turn them on to prove they are real. But never decrypt. If this results in you missing your flight, so be it .
Why? Is that more important to stay locked than miss granma's funeral, or more positively, 75th birthday?