The interesting difference here is that other hedonic activities do bring people back even after the first time they build up a tolerance and get bored. But many of these AI "creative" apps seem like a one-and-done thing. Once the novelty wears off there isn't anything more deeply rewarding to bring people back.
It’s because they are slop which is only funny by the novelty of it. Stephen hawking at a skate board park it’s funny for a bit but as soon as the novelty wears off it’s just slop.