Group 1 - Taobao has introduced a new feature allowing certain merchants to block users with high refund rates, which has sparked widespread discussion among netizens [1] - Some users support this feature, believing it can enhance merchants' promotional efficiency and conversion rates, while consumers express a desire for similar functionalities to filter out high-return stores [1] - The "high refund rate user blocking" feature is currently only available to merchants in the Tmall and Taobao apparel categories and is still in the internal testing phase [1] Group 2 - There are concerns from some users that over-reliance on this feature may lead merchants to neglect product quality and service improvement, potentially harming consumer interests [2] - Users are calling for enhanced regulation of merchants by Taobao to ensure they operate with integrity and provide quality products and services [2]