"Maybe true in China" is not an argument. I find comments like these not helpful and disturbing. The amount of blind dislike for other countries without a proper argument makes me read less and less of hacker news.
"Other countries"? The person you're responding to is Chinese.
So he can't be American because he is Chinese? Think for a sec what you are actually saying. You are confusing ethnicity with country. Those two don't equate.
The profile says they work for Alibaba in NanJing. I'm pretty sure that's not in America.