Couche-Tard is praised for its friendly and professional staff, particularly Adam, Sami, and Yassine, who go the extra mile to assist customers and create a pleasant shopping experience. Many customers enjoy their interactions with the employees, highlighting the store as a great place for friendly service and late-night shopping. However, there are concerns about the behavior of some staff members, with reports of arrogance and disrespect towards customers, including an incident involving a service dog. Overall, while most experiences are positive, there are some issues that need addressing to ensure all customers feel welcome.