[sandworm101]

And perhaps there should be some government-approved body to decide how one goes about becoming a specialist. Perhaps they could organize a system of specialist education and exams so as to ensure that members of the public aren't duped by charlatan specialists.

[zdkl]

Maybe that right there is the issue: maybe the public doesn't need to be protected of duping charlatans, but needs to adopt a standard to identify them and propagate information about their incompetence? Problem remains that a fair, common protocol to measure and communicate about trust seems somewhat of a research subject still(?).