Group 1 - The article discusses the contrasting brand endorsement philosophies of two iconic figures, Aaron Kwok and Jackie Chan, highlighting how their unique approaches reflect broader commercial truths [7]. - Aaron Kwok's endorsements span various industries, from fashion to technology, showcasing a blend of artistic and commercial success, while maintaining a timeless appeal [3][8]. - Jackie Chan, despite being labeled a "brand killer," has created significant commercial success through his endorsements, illustrating the unpredictable nature of market dynamics [5][8]. Group 2 - The analysis emphasizes that the longevity of a brand is influenced by internal factors such as supply chain resilience and market sensitivity, rather than solely by celebrity endorsements [8]. - Both celebrities represent different aesthetic values in brand endorsement, yet they converge on the idea that quality is essential for a brand's enduring success [8].