Alternative therapists don't kill many people, but they do make a great teaching tool for the basics of evidence-based medicine, because their efforts to distort science are so extreme.

You are a placebo responder. Your body plays tricks on your mind. You cannot be trusted.

There are many differences between medicine and teaching, but they have much in common. Both involve craft and personal expertise, learned through experience; but both can be informed by the experience of others.

People need medicine and they need therapists.

You cannot reason people out of a position that they did not reason themselves into.

Science has authority, not because of white coats, or titles, but because of precision and transparency: you explain your theory, set out your evidence, and reference the studies that support your case.