If you are widely read in Taleb's work, there are few surprises here. I pretty avidly snap up whatever he writes, but I had seen such things as his praise of city-states elsewhere. There seems a slight advance in his mapping of fragilities on a wider scale, compared with his prior works.
There are too many little vignettes here without the kind of detail one would need to extract good case studies of how good decisions were made, or not.
A person following the media much on this might already know this. But this is a good broad overview of challenges and prospects Xi Jinping (and China) are facing, and the policies Xi has announced to face these.