I also disagree with Bell.
Bell either doesn't know what he is talking about or has done no research prior to writing his article.
Kistler Rocketplane is full of professionals who have worked on rockets before. If anything Jeff Bell is the amateur critiquing people and engineering projects he has no experience in.
This is like the joker a few months back form Huntsville telling us that the Mars Society should stay out of the Mars business because NASA (people like Lisa Nowak) are so much more professional!