I think it is helpful to use to prepare for visiting the doctor.

Who you gonna call when the advice is bad or just plain hallucinated?

Your lawyer --- to sue OpenAI for practicing medicine without a license. The same applies to bad legal advice from an LLM. And lots of other professions where incompetent AI is incorporated to save money.

With the proceeds, maybe you can afford a real, competent practitioner because a "language prediction engine" clearly isn't one.