I work as an appliance repair technician, servicing household appliances such as refrigerators, dryers, and washing machines. Most of my work comes through home warranty companies, so the homeowner isn't paying me directly. My responsibility is to diagnose the problem and perform the necessary repairs.

Every so often, you encounter a customer who has convinced themselves that a particular part needs replacing, and no amount of professional explanation will persuade them otherwise. As a technician, I have a few options. I can simply refuse to replace a part that isn't defective and justify my decision to my supervisor, or I can replace the part the customer insists on having replaced without actually changing anything. I can bring in a component, make it look as though I've performed the replacement, and call it a day.

Sometimes, people just want to feel vindicated. They want confirmation that they were right all along, regardless of whether they actually were. And occasionally, it seems easier to give them that satisfaction than to spend an hour arguing with someone who has already made up their mind.