There’s probably a base level of competence someone who grew up in modern society has without training that the North Koreans don’t have.
Like even if a convict has never operated a drone, there’s probably a good amount of them that have played FPS games. That experience can be used as a launching board into proper training.
Meanwhile the North Koreans might have absolutely zero experience with video games and smartphones, and extremely limited experience with computers in general. There’s so much you’d have to teach them before you can even start drone training.
Well it’s more like
So yeah there’s actually a non-zero amount of commonality there.