Willful Ignorance on Campus - The Chronicle of Higher Education

"Willful ignorance is when we know that there are other ideas out there, but we refuse to consider them. We believe in our own position so strongly that no amount of evidence can persuade us to change it, such as when vaccine deniers continue to insist that the shot for measles, mumps, and rubella causes autism, despite a mountain of scientific studies that have discredited that view. Eventually, after refusing to listen to the other side long enough, such a stance can harden into full-blown denialism. The other side becomes not just wrong but deranged. Even demonized. And I’m afraid this may be the road we’re on in the debate over offensive speech on campus...."