The reality is that without domain experts (design, research, engineering, business, law) you're left trusting the AI to make the decision without a good way to check if it made the right one.
We're already seeing it with marketing copy.
You can tell me about the math, theories and laws but look around you, nobody cares about those any more.
It's true. Just a few years back, design thinking was all the rage. Nowadays, even apps from flagship companies feel all over the place. Attention to detail, unobtrusive interface, intelligent symbols, subdued color palettes, rich illustrations, all that is out the window now. Why should we need good design when we can replace it with cheaper "AI" templates?
Read design books from the 1980s versus today. They aren't the same planet.