Ask him why Leninism, Marxism, Trotskyism, Stalinism, Maoism, Socialism, Statism, Communism and like ilk killed more than 200 million people last century alone. Then ask him who many hundreds of millions did democracy/capitalism kill of its own citizens in the same time period.
Our founders believed that man was imperfect and that laws would be established to protect individuals from outlaws and our government.
Communism espouses a "perfectabiltiy paradigm" thus we have "The Soviet Man" and the "Aryan Race".
Today we can see the same views being espoused by the Democrat Party.