The government of the PRC (just like every government) is made of people. People who are ambitious and lazy, nationalistic and multi-cultural, unreasonable and curious. I suspect there is a large amount of cage rattling for the typical political reasons. Just think of all the BS that comes out of Washington, DC. "Government" is not a single person.
Perhaps I could've been more clear in my comment. His statement seemed like a real opinion because of the dangers this president and Congress have delivered upon our country by actively dismantling our constitutionally protected freedoms and the gross expansion of the powers of the president. There is nothing funny about what's happening in Washington.