Not sure what you are trying to say here. As mentioned in the tweet, he is revered because his research truly did improve agriculture. As opposed to the previous generation of agriculture researchers that worked on the Great Leap Forward that caused the famine.
"the previous generation of agriculture researchers that worked on the Great Leap Forward that caused the famine"? What the hell are you talking about? What do you mean "agriculture researchers that worked on the Great Leap Forward"?