Why did you scold Zheng Juzhuang Duan?

Why did you scold Zheng Juzhuang? Because when did this Zheng Juzhuang come? He came from the Spring and Autumn Period and the Warring States Period. He was born at that time. What views did he elaborate at that time? In fact, many people can't tolerate his views at that time. What's his opinion? His point of view is that this is basically the series of that society, that what, that natural selection, that is to say, the survival of the fittest, but he just got rid of it, on the one hand, it is too advanced, on the other hand, it is very important for him to have any use for society and human society. So many people attacked him, attacked him, so this evidence was interrupted, and he was still this. Indeed, he put forward this theory, which was a bit unrealistic and a bit divorced from that era.