Their complete, and seemingly willful, inability to grasp that the present is not the same as the past. The Boomer will always accept either Fox News *or* MSNBC as being inaccurate garbage, yet cannot contemplate the possibility that both could be inaccurate at the same time. The Boomer comes from a prosperous time, when honesty was (wrongfully) assumed, and that made them the most docile and cow-brained generation of all time. The worst Sins of the Boomer are their complete and utter lack of intellectual curiosity, their general complacence, and their steadfast conviction that they had no part in the world going to Hell.