Even theoretical AI still has the other mind problem from economics.

Communicating and predicting desires, preferences, thoughts, feelings from one mind to another is difficult.

Fundamentally the easiest way of getting what you want is to be able to do it yourself.

Introduce an agent, and now you get the same utility issues of trying to guess what gifts to buy someone for their birthday. Sure every now and then you get the marketers "surprise and delight", but the main experience is relatively middling, often frustrating and confusing, and if you have any skill or knowledge in The area or ability to do it yourself, ultimately frustrating.