Core Viewpoint - The controversy surrounding Spring Airlines' alleged practice of lowering cabin temperatures to sell blankets for 15 yuan has sparked significant consumer backlash and discussions on social media, highlighting the airline's low-cost operational model and customer service issues [2][3][5] Group 1: Customer Complaints and Reactions - Passengers have expressed dissatisfaction with the airline's policy of charging for blankets, with many feeling that the cabin temperature is uncomfortably low and questioning the airline's motives [2][3] - Some consumers have shown understanding of the airline's low-cost model, noting that the ticket prices are lower than traditional carriers and that purchasing a blanket is optional [5] - The airline has received a total of 16,790 complaints on the Black Cat Complaints platform, primarily regarding unreasonable ticket change fees, baggage charges, and poor customer service [12] Group 2: Airline's Response and Business Model - Spring Airlines has firmly denied the allegations, stating that they maintain cabin temperatures within a comfortable range and that the sale of blankets has always been a paid service [5][7] - The airline's low-cost model involves eliminating traditional passenger services, which has led to a reputation for being "stingy" and has resulted in a high volume of customer complaints [7][12] - Despite the complaints, Spring Airlines remains the most profitable airline in China, with a reported revenue increase of 11.5% to 20 billion yuan and a net profit of 2.273 billion yuan in 2024 [14][16] Group 3: Revenue from Ancillary Services - The airline's ancillary revenue, which includes charges for baggage, seat selection, and in-flight meals, contributed over 600 million yuan annually, with 2024 figures reaching 1.03 billion yuan, a 14.44% increase from 2023 [16] - The company plans to continue focusing on developing ancillary revenue as a core competitive advantage in the future [16]