You know what got me when I was visiting China was that "Royals/Nobel" collected thin disks of jade as a sign of their wealth/influence/skilled tradesmen/maybe spiritual.
The theory's are all over the place, I believe it was a status symbol.
https://www.numisforums.com/topic/4842-the-mysterious-jade-discs-of-china/
An Australian shitting all over china, you can't make this shit up...