Earlier quoted context omitted.
Just to add a little context to this comment, the world's foremost nuclear power (the USA) runs live-fire exercises every year where its army practices invading North Korea. Under these circumstances, it's entirely rational for the NK government to develop nuclear weapons. If the US government really wanted to stop this, it could offer a good faith deal for disarmament involving some kind of reduction of sanctions or…
Apparently only certain kind of states feel threatened. I wonder what the common thread is between them Oh right, it's the dictatorial megalomaniacs that spew anti western rethoric as distraction for their masses, that who. Truly evil, these USA are.
Also, you completely ignored the part about the US practicing invading the country every year. Apparently that doesn't constitute a threat?