https://en.wikipedia.org/wiki/Great_Leap_Forward
https://en.wikipedia.org/wiki/Cultural_Revolution
Note the latter created an uneducated generation, and as of late we've been learning a lot more people were slaughtered than was generally thought.
Moving forward past the Gang of Four, it's hard to see how this experiment won't end in tears:
https://en.wikipedia.org/wiki/One-child_policy
Where it's strictly enforced, it results in what's called 4-2-1, where 4 grandparents are supported by 2 parents (as long as they can) are supported by 1 child. That, the lack of a general social safety net, and the general government policy of financial repression (https://en.wikipedia.org/wiki/Financial_repression) appears to be short circuiting a lot of what I presume The Economist article is talking about, for many people are desperately trying to save for their and their elders' old age instead of spending like "normal" consumers. E.g. one reason for the property and other bubbles, which held out the promise of better investment returns.