Purpose AI-generated review summarization (AIGRS), a form of AI-generated content extracted from User-Generated Content (UGC) and presented in the same format at the top of review sections, have been adopted by major e-commerce platforms. This feature exhibits key characteristics of AI-generated content, including low emotional intensity and information neutrality. Does the presence of AIGRS influence subsequent user reviews? Will the review sentiment intensity align with that of AI-generated co
