As everyone is saying, demographic models are relatively straightforward. So everyone involved in decision making should have known this. So. Perhaps they do

As everyone is saying, demographic models are relatively straightforward. So everyone involved in decision making should have known this. So. Perhaps they don't see it as a bad thing? How sustainable would it be for a population the size of China's to have similar individual consumption levels to the average American? Perhaps they see a benefit to spreading the resources of their nation amongst 200, 500, 800, whatever million people instead? It will give each person a better quality of life? It will allow the quality of life amongst Chinese people to continue improving, which will support national stability?