[kenbot]

The US... what? How?

The North started the Korean war, not the US.

US troops maintain a balance of power in the region, which has allowed South Korea and Japan to develop into wealthy, stable industrialised democracies.

Regardless of the longevity of the Kim family, North Korea has an unsustainable and fragile economic and political system which is widely suspected to be susceptible to imminent collapse, with unknown consequences. They have also frequently staged unprovoked fatal military attacks on Southern territory in the last few years. They were caught trying to smuggle probable nuclear components to Burma. They were caught trying to smuggle an enormous shipload of drugs into Australia.

They are not in any way equivalent to the US in terms of odious behaviour in the region.