Because at least with current models, the pink-ness would spread to the rest of the image. You'd end up with not only a pink church but a pink sunset.
It's even worse with styles; midjourney can't do a guitar in one style and the rest of the image in another style. You really only get one style per image.
It's even worse with styles; midjourney can't do a guitar in one style and the rest of the image in another style. You really only get one style per image.