[Strk321]

“They do honestly fear the wave of refugees, but they can go to hell for enabling it.”

There are several reasons why China continues to prop NK up:

1. They dislike the idea of a unified, US-backed Korea on their border.
2. Ideological reasons. North Korea is one of the few remaining communist states.
3. China doesn’t want a million refugees pouring across its border.
4. North Korea is useful to keep around for annoying the US whenever we complain about China’s trade practices.

[PA Engineer]

There are several reasons why China continues to prop NK up:

I agree with all of your points. I would add that the one child policy has created a schizophrenia in China. They claim that they cannot support 1.5 billion people yet are terrified at what the demographics of the one child policy will do now in one generation.

This is one explanation for why the best and brightest on paying to anchor baby here in the US.