This article doesn’t reference Jon Ronson but it’s no coincidence it came out just after his book, The psychopath Test. Regardless, Ronson jokes a lot about his psychopath-spotting abilities but in his book he seems as skeptical at times about the ability of a checklist to diagnose such things accurately each time. This article, therefore, isn’t so much as a rebuttal but more of an addendum…
http://www.npr.org/2011/05/26/136619689/can-a-test-really-tell-whos-a-psychopath
”I’m very concerned about the inappropriate use of this instrument for purposes that have serious implications for individuals and for society. It shouldn’t work that way.” - Robert Hare, the Canadian psychologist who invented the PCL-R test