I don't think it's a naive response. Perhaps it's obvious to you that human doctors can't produce an "exact correct solution", but quite a lot of people do expe

I don't think it's a naive response. Perhaps it's obvious to you that human doctors can't produce an "exact correct solution", but quite a lot of people do expect this, and get frustrated when a doctor can't tell them exactly what's wrong with them or recommends a treatment that doesn't end up working.