The problem is CK's core mechanics are based around feudalism (or at least an imaginary idea of feudalism) and playing as a landed aristocrat, and mostly fail to represent anything other than that (republics and nomads kind of work, I guess). A massive imperial bureaucracy of scholar-officials isn't something the game can really deal with it.
It already has this problem with the Eastern Roman Empire, which has barely anything to do with the historical one, and a lot of the Middle East, which ingame just operates under slightly different feudalism. Adding China would make it even worse - like 3/4 of the game world would essentially be fantasy with historical names.
The problem is CK's core mechanics are based around feudalism (or at least an imaginary idea of feudalism) and playing as a landed aristocrat, and mostly fail to represent anything other than that (republics and nomads kind of work, I guess). A massive imperial bureaucracy of scholar-officials isn't something the game can really deal with it.
It already has this problem with the Eastern Roman Empire, which has barely anything to do with the historical one, and a lot of the Middle East, which ingame just operates under slightly different feudalism. Adding China would make it even worse - like 3/4 of the game world would essentially be fantasy with historical names.