My mental stereotype of north koreans might be wrong but I picture them as hicks who’ve never even seen a computer or smart phone. Imagine being that backwards and being thrown into a cutting esge drone war

I can assure you that I have better things to do in life than sit at a computer making up origins of common phrases

https://uselessetymology.com/2019/11/07/the-origins-of-the-phrase-pull-yourself-up-by-your-bootstraps/

Fun trivia… Pulling yourself up from your bootstraps is impossible and the phrase came from an 1800s physics textbook that asked why a person can’t pull themselves up that way.

It somehow got twisted to mean that it should be possible with hard work.

CB radio has really short range and there’s little likelihood that authorities would be monitoring it.

2182 kHz is long range marine radio and only good if you’re on a boat. I don’t know that anyone you talk to would care about a person on land while they’re handling their own maritime emergencies.

If someone really wants emergency radio I’d suggest ham radio or GMRS.

There’s extra steps that have to be taken in order to serve food so they’re probably officially classified as a restaurant