I'm pretty sure that this entire story and entire thread is based on one conversation. Just look at your title and it is clear that you are only talking about that one remark, which is completely the opposite of what you are saying now...
Also, I do not know how Hitler came into this and I do not understand what you could possibly have meant by your statement so I am not even going to go into that.
Ok, so if the guy is mocking Chinese, again, who cares? The fact that he would do that only makes him look like an idiot. Again, I am of Irish, British and German descent. Why is me being Irish and different that her being Chinese. I really do not understand why certain ethnicities are protected against ANY kind of insensitive remark or even a joke while others have no immunity to the same kind of slander.