A shorter amount of expensive time with a consultant is more powerful if there is a solid reference to play with for longer before hand.
For instance, even WebMD might waste more time in doctor's offices than it saves, and that's a true, hallucination-free source, written specifically to provide lay-people with understandable information.
https://jamanetwork.com/journals/jamanetworkopen/fullarticle...
> An unexpected secondary result was that the LLM alone performed significantly better than both groups of humans, similar to a recent study with different LLM technology.
They suspected that the clinicians were not prompting it right since the LLM without humans was observed to be outperforming the LLM with skilled operators.