What makes you think so? Have you seen any great code he has produced or are you aware of him having implemented something decidedly non-trivial? I might be wro

What makes you think so? Have you seen any great code he has produced or are you aware of him having implemented something decidedly non-trivial? I might be wrong, but my impression is that he's someone who spends almost all his time telling people how to write software, not writing it.