There have been various whistleblowing articles, Private Eye did one, about how bullying and nasty the DW environment was, and Chris E wasn't happy with it. Apparently it wasn't a nice work environment. But the John Barrowman did imply that it was much nicer to work with David T and the later team, having said that, whatever was going on, JB was much better, and Jack much more interesting, with Nine than he ever was with Ten. (Except that one great scene in Utopia, I'll give him that.