Why is that surprising? I see lots of articles by them criticizing each other. Carr against Twitter, Vivek against Quora, Arrington against himself on Faceboo

Why is that surprising? I see lots of articles by them criticizing each other. Carr against Twitter, Vivek against Quora, Arrington against himself on Facebook privacy, etc, etc. It seems to me that all the bloggers there have a pretty long editorial leash, which admittedly would also include the fanboy stuff.