I think that what many of the comments here miss is that "Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era" was not officially mention

I think that what many of the comments here miss is that "Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era" was not officially mentioned until a year later, and the Chinese Constitution was not amended until 2018. China in 2016 likely didn't appear like the threat to Western geopolitics that it does today.