I don't see the problem. North Korea is an impoverished, poverty-stricken nation like few others. Even if you find it revolting to eat dog, you really can't tell them that this or that food is off-limits. I'd rather they keep themselves alive than try for Political Correctness, Premium Dog-lover Edition, revised 2/4 2007, copyright American Kennel Club
(Linux version available).
As long as we eat
foods deemed disgusting by others, we have no right to criticize upon others' food habits. Did you know that many cultures consider cheese to be revolting, seeing it's really spoiled milk? What about the Indians who deem cows to be sacred - should we respect them by stopping our eating of cattle and let them roam free in the streets?