I don't know if I'd say the North Korean People are dangerous..
they're a lot like the Germans in the late 30's and 40's. how many of them were fully with Hitler? and how many were just following orders in fear of their lives?
This is actually often overlooked, by which Kim IL Jong does share parallels with National Socialist ideology.
The concept of Juche can be regarded as being similar to
die Herrenrasse (Master Race) in Nazi Germany.
On that basis alone, you could argue that North Korea is probably (ironically enough as it claims to be Communist) the only ideological successor in the world to National Socialism (with apartheid states such as former South Africa and Israel coming in at second, than countries like Syria at third).
This is a source of tension between China (Empire) and North Korea (ethnic state). By that, North Korea is otherwise a successful model of a powerful ethnic state, whereas, China is effectively a yellow-river Han Empire with minorities wishing to break away and these minorities do see DPRK and Kim IL Jong as inspiration.
North Korea is effectively a loner in the world in that its state ideology creates tension with both China and the West, the former only propping North Korea out of realism necessity (namely as without Chinese support the DPRK government would collapse and be replaced by a NATO-friendly Korea)