The man himself
Being a stubborn arse backward dictatorship =/= world is against you. With China offering nominal support, N.Korea could've come out of the cold when they wished. You don't build a modern country by looking back at who wrong you in the past and shutting the world out.
As a more intimate example, if a person is bullied at school to the point where his school life was a miserable wreck, it is not in their interests to become a shut-in but rather look past the adversity they faced and do the best they can.
That wasn't the point. The point is, the world abandoned N Korea in the sense that they just let history hiding and Imperial powers cover everything up. What if the Holocaust was known, but little was said nowadays about it?
This increasingly deals with why people are sympathizing. "In a word, it creates a world after its own image" Marx
We are taught to always be accepting of other cultures. But that itself is a hypocrisy spoken by the person himself.
N Korea's entire doctrine is based on Juche. Indepentalism, psuedo modernization, while still keeping with their cultural roots.
They aren't looking to building a modern western country. This is the problem. Because their ideals, their thoughts on Human Rights differ. They are shut out.