“我花钱办卡，你卖普通超市就能买到的东西”，山姆惹恼会员

Group 1 - The core issue revolves around product selection changes at Sam's Club, leading to dissatisfaction among members regarding the quality of new products [1][2] - Recent additions like the low-sugar Haoliyou Pie have received negative feedback, with over 300 complaints citing that the product is still too sweet despite a reported 80% reduction in sugar [2][5] - Members express concerns that Sam's Club is becoming increasingly homogenized with regular supermarkets, questioning the value of their membership [9] Group 2 - Sam's Club, a subsidiary of Walmart, has over 800 stores globally and 48 in China, with more than 5 million paying members [12] - In the first quarter, Sam's Club in China saw a membership revenue increase of over 40%, contributing to Walmart China's overall strong performance, which included a 22.5% year-on-year increase in net sales [12] - Walmart's CEO for China noted a significant 35% growth in membership fee revenue during the Chinese New Year sales season, indicating robust business activity [12]