Marxism led Soviets to slaughter their own kind and no one has ever learned on how in general terms, humans tend to destroy themselves everywhere in this planet. I recommend the reading of “200 years together ” by Alexander Soljenytsin for the Soviet case ( only available on www.archive.org) .
As for Darwin, he was responsible to have instilled more high levels of competition for the 20th century wich led to 2 world wars.
Nowadays people continue to kill themselves and there is no organization which can save our lives. 

Lets schedule a new product for people to create the ultimate fate. Extraterrestrial life has learned well Earth’ s history, even if they dont visit us since the 80s of the 20th century. Maybe we are left alone in our games…