Cultural explanations when the group of people make up a statistically small portion of the incidents == bad. Cultural explanations when the group of people ma

Cultural explanations when the group of people make up a statistically small portion of the incidents == bad. Cultural explanations when the group of people make up a statistically significant portion of the incidents == good. The question as I see it is : Do Koreans make up a statistically significant portion of near misses and accidents? From what I have read from various aviation professionals, the answer is yes. What have you guys heard?