Nature abhors a vacuum.....same concept works in International Affairs.
North Korea correctly views such a situation with the current US Administrations Foreign Policy and is merely taking the opportunity to advance its own interests.
We cannot fault them for that as that is how the game has and is played.
When it comes to fault finding....we should be honest and point the finger at the cause of the problem....and a better equipped and more prickly North Korea is definitely a problem.
Comparing the Trump approach to North Korea to Joe Biden's method....I think we can see a clear difference that exposes the shortcomings of the current regime.