Group 1 - The core issue arises from the rebranding of well-known consumer products sold at Sam's Club, leading to consumer dissatisfaction and accusations of brand betrayal [1][4] - Brands like Wei Long and Panpan have introduced products with altered packaging and branding, causing confusion among consumers who expect familiar branding [1][4] - The controversy has sparked significant public discourse, with consumers expressing their frustrations over perceived quality discrepancies and branding changes [1][4] Group 2 - Panpan's representative stated that the special products differ from regular packaging, and any inquiries about the branding should be directed to Sam's Club [4] - Lu Lu Mei's official customer service clarified that their products at Sam's Club are exclusive channel items made with imported ingredients, emphasizing that they maintain the same food safety standards across all sales channels [4][6] - Lu Lu Mei acknowledged the need to rebuild consumer trust, which is often more challenging than losing it, indicating a commitment to improving products and services in response to public sentiment [6]