Let's say we are arguing about the color of Mount Everest. Joe says it's blue and Mike says it's white. Would it be relevant to the debate if Joe had never in

Let's say we are arguing about the color of Mount Everest. Joe says it's blue and Mike says it's white. Would it be relevant to the debate if Joe had never in fact seen Mount Everest? In the same way, software advice that doesn't take the form of deductive argument from mutually agreed-upon principles is largely valuable insofar as the person peddling it is experienced and honest.