In this instance, not only did the students fail to identify arguably the most famous quotation of the last two centuries, or to recognize the name of the leader of the Protestant Reformation, but they felt secure enough to laugh at an educated guess far closer to the mark than they realized. The cultural shift from honoring earned self-respect to handing out free "self-esteem" wasn't an accident.
You aren't likely to object to your indoctrination -- or even notice it -- if you can't think rationally and lack the humility to wonder if the things you believe are really true.