The irony is Bob opens with "you have to wonder if the rest of the post can recover its credibility, or whether it will continue as an unreasoned rant." but then follows with exactly the same tactic "but since 911 has taken on the connotation of violent extremism. I have yet to see any test-driven developers flying airplanes into buildings while repeatedly hollering: "Kent Beck is great!", so I must entirely reject the connotation."