Group 1 - The core viewpoint of the article is that the popularity of self-service beef rib barbecue is declining after a brief surge, with many establishments facing closure due to market saturation and lack of differentiation [5][20][22] - The self-service beef rib barbecue concept gained traction last year, with a low price point of 30-60 yuan per person attracting many customers [2][14] - The leading brand "Lin Zhenzhen Beef Rib Buffet" expanded from 10 to nearly 100 locations, achieving monthly sales exceeding one million at its peak [3][4] Group 2 - The rapid expansion of similar brands has led to a homogenization of offerings, with many restaurants adopting identical names, products, and business models [4][21] - Some establishments have already closed, with reports of a predicted wave of closures in mid-2023 due to poor quality and low repeat customer rates [8][12] - The self-service model allows for cost savings on labor, but many establishments struggle with maintaining quality and customer loyalty, leading to a "one-time business" scenario [16][22] Group 3 - The decline in the self-service beef rib barbecue market is attributed to intense competition, price wars, and a lack of innovation among new entrants [20][22][30] - The article highlights the importance of supply chain management, noting that many small chains lack the resources to sustain operations under pressure [23] - The trend of low-cost, high-volume restaurant concepts has led to a cycle of new entrants quickly entering and exiting the market, often resulting in financial losses for inexperienced operators [26][28]