Group 1 - The article reveals that a programmer from a major foreign food delivery app exposed the company's practices, indicating that fees paid by users, such as "priority delivery fees" and "driver welfare fees," do not benefit the delivery drivers but instead go directly into the company's profits [1][2] - The programmer describes the company's algorithmic manipulation, where the "priority delivery" feature is a facade, as it does not actually expedite delivery but rather creates an illusion of faster service by delaying regular orders [5][6][7] - The concept of "desperation index" is introduced, which tracks drivers' behaviors to determine their financial desperation, leading to a system that intentionally withholds higher-paying orders from full-time drivers, effectively exploiting their need for income [8][10][11] Group 2 - The article discusses the "welfare fee," which is presented as a way to support drivers but actually funds the company's efforts to lobby against unionization, with the money going to high-paid lawyers [12][13] - It highlights a new method of "tip theft," where the company adjusts base pay based on predictions of potential tips, ensuring that drivers do not receive the full benefit of customer generosity, thus subsidizing the company's costs [12][13] - The programmer expresses anger and frustration over the company's practices, which prioritize profit over the well-being of drivers, indicating a systemic issue within the industry that affects labor rights and compensation [14][22]