Some people want to be food critics with their reviews, but this person took it further by writing a very long message directly to a restaurant. When I worked retail, I always found it so delightful when customers would vow to never return to our restaurant. It was often that they'd come in during a rush, and then were shocked, stunned, and horrified, that they'd have to wait a whole 15 minutes for their meal. Bigger problems are going on in the world. But not to these people. Sometimes they'd…