After a few weeks of playing with Midjourney, my overall impression is that it's very easy to get a fantastic-looking image, but often very difficult to get something specific. If you start with a more abstract concept you can get something great fast, for example this ship in a storm only took a few minutes. If you have a specific picture in your mind though, it can take dozens and dozens of iterations, and you still only end up with something kind of close to your original idea. For example, I've been trying to use Midjourney to create illustrations for a book I wrote a while back, and while some of the general landscape scenes came together easily, the majority of the creatures and characters still aren't even close to what I imagine they should be, even after many attempts. There is art and craft involved, but it's a very different type from traditional art, and will probably continue to evolve with the medium.
The endless frustrating iteration process kind of reminds me of Terragen actually
