How will they ensure they continue working or train replacements if their parent company no longer employs or pays them? What's to stop them leaving the country?
The EU can pay them. Whos to say all these people are koreans. There might be alot of native europeans who would stay
The thing people are worried about is "Seoul is a pile of rubble and so are all the factories". The people in Europe are probably going to stay for a little bit.