The post discusses the complex dynamics of tipping in the U.S. restaurant industry, underscoring how gratuity has become a substitute for fair wages for service employees. Comments highlight how biases against certain demographics can influence tipping behavior, often disadvantaging women, people of color, and foreign workers. The conversation reveals an ongoing debate about the fairness and effectiveness of a tipping system, suggesting that it perpetuates inequality and does not guarantee appropriate compensation for services rendered. This also ties into broader societal issues regarding race and gender equity in the workplace.