Apparently that article about the unreliability of Doctor Oz et al. has prompted lots of people to say “well obviously you shouldn’t trust a doctor on some tv talk show!”
But it’s not obvious. It’s not obvious unless you already know it.
It’s not at all easy to know which authorities to trust, and it’s not obviously stupid to assume that people on tv are constrained by some sort of rules or standards about truth and competence. We may think it’s obvious, but I think if we do we’re forgetting that we have some background knowledge about Oprah’s attraction to woo and the like. Not everybody has the same background knowledge, to put it mildly. It’s not self-evident that Oprah … Read the rest
(This is a syndicated post. Read the original at FreeThoughtBlogs.)