Agree and Commit, Disagree and Commit or stay out of the way - is a famous quote of Scott McNealy. In the above diagram all team members should be in top two quadrants.
Greg states that the most corrosive thing that can happen in a company is to have a debate continue after the decision has been made. He suggests that people who are supportive of decisions which they were against are very valuable to an organization. http://edcorner.stanford.edu/authorMaterialInfo.html?mid=1642
