After 7 years running YouTube for 121 businesses and uploading more than 25 client videos every single week, I can tell you this with confidence: AI thumbnails are actively costing business owners clients. Not because they look bad, although many of them do. But because of what happens inside the viewer's brain the moment they see one, before the video even starts playing. There are 5 claims being made right now that are convincing business owners to use AI thumbnails on thei