I work with a couple Korean girls, and I can definitely believe this would happen. They have a very competitive culture. Most of the Koreans I know were indoctrinated by their parents into beliving that they must work harder and be better than everyone else around them. If their colleagues work 8 hours a day, six days a week, then they must work 10 hours a day, 7 days a week. It\'s also a materialistic culture, with an emphasis on making money and showing it off. I know people say that about American culture, but honestly we don\'t rate in comparison to Koreans.
Those girls who kept singing were probably thinking "So what if she\'s having a seizure? I\'m not going to let that bitch ruin my opportunity!"