Hey, I never questioned his fluency, just not being able to speak in a professional/serious tone to match the other people. If you liked it, great. Also, you're assuming too much about a 鄉民 on the Internet. :)
Another way of looking at it: respect. In the past, translators were always used on news stories from China. Now, English speakers are going through the effort to learn Chinese because they know it is in their best interests as China ascends to the spot of the(!) world superpower.