The South Korean airline made the classic mistake of forgetting the "Streisand effect": by threatening to take legal action, they simply called more attention to their problems.
I remember one or two shootings in the US by Koreans, at least one might have been partially angered by being made fun of by his name.
http://en.wikipedia.org/wiki/Oikos_University_shooting
Hey, please do not name your kid One L-Goh just because he was concieved on your first night together.