.... Well ....... NK isn't the only one with EMP capabilities ..... We could send them back into the dark ages with a couple of nicely timed EMP's. Heck .... Most of the country wouldn't even notice if it happened since most of the masses are technologically still in the dark ages.
.... Think outside of the box.
EMP weapons are a ruse.
But conspiracy followers love them. It keeps their tinfoil up to date.