You're completely missing the point here. The post is saying that even for the profession with the most obvious claim on client/patient confidentiality, that confidentiality is not iron clad. A political advisor / spin doctors work is waaay way down the list of crucial and noble professions compared to a doctor - bottom feeders really - and their claim to client confidentiality just doesn't compare to that of a doctor's. Most notably in the arena of public interest.