Man is the greatest failure of evolution. Many people seem to have understood this. At least, they kill as much of their conspecifics as they can, sometimes even millions. So, in the last century some hundred million human beings have been killed by other human beings. Un­for­tu­nate­ly, this did not yet suf­fice to get rid of the spe­cies.
     Who has doubts about this judgement may read what has been written about the Milgram experiments.