The goal here isn't to convince them, but to get them to go away. The message is "If you want to convince me to drop diet coke, you have to be prepared to discu

The goal here isn't to convince them, but to get them to go away. The message is "If you want to convince me to drop diet coke, you have to be prepared to discuss your alcohol consumption." It's not an academic conversation, nor is it meant to be one.