I feel that if you are presented with a text to analyze, and you chose to research the history and origin of each individual word, you're probably not going to end up at a meaningful conclusion any time soon...

I cannot claim to speak a Chinese language yet (It's on my to-do list, but I'm allergic to effort, and my wife of course has to speak three Chinese languages natively), but I very much agree. It's just a bunch of pointless research, linguistic show-off and opinions on the Communist party (which regardless of their content is entirely out of scope for the analysis). The author should have just scrapped it when they failed to find a conclusion...