Why does Meituan prefer flow control?

For the controlled area, Meituan APP displays traffic control. According to the relevant information of Meituan APP, after selecting the delivery area on Meituan's preferred APP, all businesses showing normal business can deliver. For the controlled area, Meituan APP shows that it is temporarily unable to provide services for you due to traffic control. Generally speaking, it refers to measures such as closing roads or prohibiting two-way, multi-way and one-way road traffic within a certain period of time, violating daily traffic directions and rules, etc.