To portray it as an existential problem for South Korea - I'd focus on their next-door neighbor. Elderly folks might be of limited utility when the (North) Kor

To portray it as an existential problem for South Korea - I'd focus on their next-door neighbor. Elderly folks might be of limited utility when the (North) Korean People's Army marched in. And the South's cyber-defenses might well prove inadequate, to keep their drones and robo-soldiers functioning properly.