Midjourney (and the rest) made "make me something beautiful" a solved problem. Which means the value isn't in the generation anymore — it's in everything around it:
→ taste, to pick the 1 good frame out of 40 generic ones
→ art direction, so a batch feels like one brand instead of 40 random vibes
→ integration — actually getting those assets into a product, on-brand, at the right size and performant, not just sitting in a folder