Core Viewpoint - The controversy surrounding Spring Airlines' alleged practice of lowering cabin temperatures to sell blankets for 15 yuan has sparked significant public debate, with the airline firmly denying these claims and asserting that their temperature settings comply with comfort standards [3][6][8]. Group 1: Customer Complaints and Reactions - Spring Airlines has received a total of 16,790 consumer complaints on the Black Cat Complaint platform, primarily regarding unreasonable ticket change fees, baggage handling charges, and poor customer service [4][14]. - Many passengers expressed dissatisfaction on social media, criticizing the lack of free blankets and the overall service quality, with comments highlighting the discomfort of fixed seats and additional charges for food and drinks [6][11]. - Some consumers showed understanding of the airline's low-cost model, noting that the ticket prices are significantly lower than traditional airlines, and purchasing a blanket is optional [8][11]. Group 2: Business Model and Financial Performance - Spring Airlines operates under a low-cost model, which involves eliminating traditional passenger services like free meals and baggage allowances to maintain lower operational costs and offer cheaper ticket prices [11][18]. - In 2024, Spring Airlines reported a revenue increase of 11.5% to 20 billion yuan and a net profit growth of 0.69% to 2.273 billion yuan, maintaining its position as the most profitable airline in China [16]. - The airline's auxiliary business revenue reached 1.03 billion yuan in 2024, up 14.44% from 900 million yuan in 2023, contributing significantly to overall revenue [18].