What you say may be true about the simplest workflow: enter a prompt and get one or more finished images.
But many people use diffusion models in a much more interactive way, doing much more of the editing by hand. The simplest case is to erase part of a generated image, and prompt to infill. But there are people who spend hours to get a single image where they want it.
But many people use diffusion models in a much more interactive way, doing much more of the editing by hand. The simplest case is to erase part of a generated image, and prompt to infill. But there are people who spend hours to get a single image where they want it.