The good scenario is one where AI makes elite expertise cheaper and more accessible. Right now, if you want to do a lot of medical procedures, you need a medical degree. But with the right tools, you could devolve some of those tasks to people who have know something about medicine but don't have that level of education. And then they could do much more. The goods scenario is basically where AI lowers the cost of elite expertise, makes it more available and increases the value of basically the middle skilled workers of the future.