The same way anyone lacking knowledge can confident say that they got the right information from anyone with experience: You don't. You just trust them. That's what I did with my gastrenterologist, I ended up got misdiagnosed for 4 years and instead of getting the treatment that I should be getting I lost weight, got osteoporosis and vitamin D deficiency.
4 years later the second doctor asked me "I wonder why did my colleague decided not to take a tissue sample from insert some place in the stomach. I said out loud "I didn't even know what that is, let along ask him why he didn't".
> The same way anyone lacking knowledge can confident say that they got the right information from anyone with experience: You don't.
No, that's not the same way that anyone lacking knowledge gains confidence in the things that others tell them.
A technique one can use instead of blindly trusting what one person may tell us is seeking out second opinions to corroborate new info. This works for many things you might not have personal experience with: automobiles, construction, finance, medicine, &c.
I had a neurologist prescribe me medications which I didn’t need and which permanently damaged my side vision. Doctors are people too, and all people make mistakes sometimes. It has taught me to always ask a second opinion when it matters. The same maxim applies to chatgpt: when the accuracy matters, look for independent confirmation.
4 years later the second doctor asked me "I wonder why did my colleague decided not to take a tissue sample from insert some place in the stomach. I said out loud "I didn't even know what that is, let along ask him why he didn't".