Also, here are illustrations of a North Korean concentration camp by an escaped prison: http://imgur.com/a/648Mv. Incredibly alarming.
That one cannot escape an accident of birth is a huge blemish on humanity.
For somebody young in South Korea, a North Korean is somebody who shares his mother tongue in a different dialect- nothing much apart from that. By now North and South Korea are two very different countries, with many things being different and few things being common.
When a refugee arrives they may not think of him/her as 'one of us'. More like some troubled person from the neighboring country who will dilute/be a burden on our culture economy.
Succinctly summing up privilege, be it by skin colour, sex, disability, or inheriting wealth.
What kind of question is that considering this man's story?