In this insightful discussion, Erwan Le Merrer, a collaborator in graph theory and distributed systems, reveals how graph-based techniques can expose patterns in large language models and shadow banning on Twitter. He explains the application of epidemic models to examine shadow banning spread across user networks. The conversation also highlights the use of graph metrics to audit LLM outputs, the challenge of bias detection in AI, and innovative methodologies for understanding algorithmic behavior, shedding light on often-overlooked platform moderation practices.