Hillsdale College, Rush Limbaugh's bastion of conservatism, employs an assistant professor of psychology who thinks human beings of no more significance than cicadas

If that's true, then we can exterminate human beings at will: Blacks, Muslims, Jews, Whites, Christians, Hindus, old people, infants, and our rotten, noisy neighbors. 

After which we can eat them, just like Rush Limbaugh's great Americans, the Donner Party.