63% of Religious Books on Amazon Likely AI-Written

The finding matters less as a measure of AI capability than as a signal about where low-barrier publishing is heading: categories built on repetitive, formulaic content are the first to be flooded. It affects authors and small presses competing in those niches, and readers who rely on category listings as a quality filter. Whether Amazon tightens disclosure or detection, and whether the pattern spreads to other formulaic genres, is the open question.