Why does one penguin actually get a nationality (Japan) while the other is only given a continent, without getting. Also, if he is South American, why is he wearing traditional Mexican clothing? Mexico IS NOT in South America! In short: please give your characters equal and reasonable treatment when it comes to countries and/or cultural background, because that is a touchy subject that can be offensive.
Also, the video was pretty funny, but after a while I realized that all the penguins would do is bitch about Facebook. That irony made it less enjoyable.
It's funny you mention the South America / Japan thing - we a actually wrote a few gags where the characters pointed this out, but ended up dropping it. There was also a gag about how Wang is not a Japanese name.
We gave him 'Mexican' clothing because it was more fun to draw.
Personally, I find these conscious inconsistencies funny.