Core Points - The article discusses the significant shift in public perception of Xiaomi and its founder Lei Jun, highlighting the growing skepticism towards the company's marketing tactics and product quality [2][3][5][22]. Group 1: Product Issues - Xiaomi's reputation as the "king of cost-performance" is under threat due to allegations of exaggerated product claims, particularly regarding the Xiaomi SU7 Ultra's carbon fiber hood, which was marketed with high-performance features that were not delivered [5][7]. - Other product quality concerns include incidents such as a Xiaomi refrigerator explosion and high return rates for Xiaomi AI glasses, with a reported 40% return rate on the latter, indicating widespread consumer dissatisfaction [7][9]. Group 2: Marketing Strategies - Xiaomi's marketing strategies, which were once effective, are now perceived as overhyped and manipulative, leading to consumer fatigue and backlash against the brand [9][10]. - The company has been criticized for turning serious incidents, like the SU7 explosion, into marketing opportunities rather than addressing the underlying issues, which has further eroded trust [11][20]. Group 3: Consumer Sentiment - There is a noticeable shift in consumer sentiment from blind loyalty to critical evaluation of product quality and performance, with former fans now voicing their concerns and demanding accountability from Xiaomi [13][15][16]. - Consumers are increasingly prioritizing actual product performance over brand reputation, reflecting a broader trend towards more informed and discerning purchasing decisions [16][24]. Group 4: Brand Image and Leadership - Lei Jun's carefully crafted public persona as a relatable and tech-savvy leader is facing challenges as product issues and marketing controversies come to light, leading to questions about his integrity and the company's commitment to quality [18][20]. - The article suggests that for Xiaomi to regain consumer trust, it must address its product shortcomings and focus on genuine improvements rather than relying solely on marketing [22][23].