This article starts to touch on something profound but then mostly skims over an in-depth discussion with reasoning. At its core, this is really about human so

This article starts to touch on something profound but then mostly skims over an in-depth discussion with reasoning. At its core, this is really about human social response and compelled social behavior. The article could be about "bitchy resting face" or tipping, or any other form of compelled social niceity and it could delve into the same topics. People see certain social cues, and they interpret them based on past experience. People who smile at you, and talk in a certain frequency range, and use certain words, must be nice and want to help you. Anyone who owns a business wants all customers to feel that emotion whenever they associate with your business, and implicit social contracts evolve that basically codify that. It's like "The Game" in some respects. There are certain social cues / responses that most people have internalized so deeply that they're barely aware they respond to them. Most people interpret offhand compliments from a person with apparent detatched interest as intriguing. They interpret questions about them as interest. Easy smiles as confidence. Ect... With the aforementioned tipping, it's a similar mechanism that reinforces certain behavior in wait staff. In a sense, it's a way that those with money can compel behavior from those that don't. An aspect of the symbolic power that wealth effectively represents. Anyhow, lunch arrived, so I'm done, and I'll have to make that very choice in a few moments.