There is a value in customer retention if you have an employee that makes customers want to return. That’s often overlooked when you’re spreadsheeting productivity vs costs.
There’s a Wendy’s out the back of our neighborhood that had a special needs kid working there. His main job was to sell Wendy’s coupon books that you could use to buy discounted Frosties. The kid sold a ton of them. Not sure what happened to him, but he was there for years. Nice guy...always glad to see you.