With regard to the language used in the video, English profanities have far less impact in non-English speaking countries than they do here.See this for an example… (Warning: Very very very bad language!)
Thanks. That is hilarious. But the Japanese almost all speak English. I think this is a parody. The Japanese as a group are the most racist people I’ve ever encountered. Racist against all non Japanese. They all believe they are the superior race.