ChatGPT’s latest stylistic quirk is sinister, infuriating – and absolutely everywhere | Stuart Heritage

A writer notices that ChatGPT and other AI systems are producing content using the rhetorical pattern "it's not X, it's Y" so frequently that this phrasing has become ubiquitous online, appearing in social media posts, fitness classes, and TV shows. The author compares this experience to obsessively noticing a specific detail until it dominates their perception, making the repetitive AI-influenced writing style impossible to ignore.