I'm not an expert on anything

Seriously.  I'm not.

Where does this come from?

Well, from a number of place, but most recently, from here:

As a published author myself, I know what it takes to be a good writer.

A comment made over at Romantic Times blog by an anonymous commenter.  Now, if you click through, read the comments.  An author was referenced and please note…this isn't about the author mentioned.  It's about the comment itself.

I'm sorry, but being published doesn't make anybody an authority.  It just doesn't.    If...