> Wow, some people are really immature.
One man's immature is another man's hilarious. In this case I side with you, but I'm pretty sure if they'd come up with something wittier than "All Koreans are stupid" I could find myself laughing at it.
Although this seems like a good example of why, when crowdsourcing translations, you want to get multiple people doing the same language so you can compare their results.