Group 1 - The core viewpoint is that the high-rise residential buildings are becoming less viable for developers due to high demolition and reconstruction costs, as well as maintenance challenges [1][3][5] - Developers are reluctant to invest in high-rise projects because the cost of demolition and reconstruction has increased significantly, making it less profitable compared to low-rise developments [3][7] - The market for housing in China is approaching saturation, reducing the necessity for the demolition and reconstruction of older high-rise buildings [5][10] Group 2 - High-rise buildings require substantial ongoing maintenance costs, and once maintenance funds are depleted, residents and property management are often unwilling to invest in repairs [3][8] - Future housing demands will prioritize quality over quantity, leading to a potential shift away from high-density living environments [8][12] - The urban population concentration has led to infrastructure challenges, suggesting a need for more balanced development between urban and rural areas [10][12]