"These policies led to social and economic disaster, but these failures were hidden by widespread exaggeration and deceitful reports. In short order, large resources were diverted to use on expensive new industrial operations, which, in turn, failed to produce much, and deprived the agricultural sector of urgently needed resources. An important result was a drastic decline in food output, which caused millions of deaths in the Great Chinese Famine."

https://en.wikipedia.org/wiki/Great_Leap_Forward

Sure, they'll not make that mistake again - but they'll make others just as egregious. It's what authoritarians do best.