When the liver is diseased, the eyesight fails; when the kidneys are diseased, the hearing is adversely affected. The disease is not visible, but its effects are. Therefore, enlightened people, wishing to be free from obvious faults, first get rid of hidden faults.
People who leave their cars on the street with tape covering their broken windows are obviously too trusting. I mean, when your car did have glass for a window, someone broke into it. How is tape any more of a deterrent? What are the thieves going to say? Ooh, that like looks like duct tape, we can't beat that. Let's look for one with scotch or masking.