The discussion centers around the rudeness of using cell phones in public restrooms, particularly during phone calls. Participants express disbelief at individuals who prioritize phone conversations over basic bathroom etiquette, especially when using speakerphone. The original poster recounts an uncomfortable experience waiting for a colleague to finish a call while in the restroom, highlighting the awkwardness of flushing during a conversation. Many contributors agree that it's inappropriate to talk on the phone in such settings, questioning the necessity of multitasking in the bathroom. There are also humorous remarks about the challenges of managing phone calls while attending to personal needs. Overall, the consensus is that using phones in restrooms is a significant breach of social etiquette, with some emphasizing the hygienic implications and discomfort it causes for others.