i) I think there's a difference between being a conspiracy theorist (allegedly; haven't looked into this), and being a liar. Credibility does not extend across

i) I think there's a difference between being a conspiracy theorist (allegedly; haven't looked into this), and being a liar. Credibility does not extend across domains, either. An authority on, say, OS design might be a complete fool when it comes to politics (for instance). ii) Allegations have been made against Micheal Schirmer and Lawrence Krauss (not hard to find if you search for them).