Yes but there are many knobs to play with, and if you make one change it better be a calculated one. Mao thought that sparrows ate people's grain, so ordered t

Yes but there are many knobs to play with, and if you make one change it better be a calculated one. Mao thought that sparrows ate people's grain, so ordered to kill them all. What Mao did not know is that those sparrows ate vermin such as crop-eating insects. Those insects ate all the crops triggering the Great Chinese Famine, and the ecological disaster that requires farmers to pollinate plants by hand. https://en.wikipedia.org/wiki/Four_Pests_Campaign https://en.wikipedia.org/wiki/Four_Pests_Campaign