clever people dont always make good team players.
good teams need a mix of personalities to succeed.
The Apollo Syndrome: "His criteria for selecting these teams have elements in common with criteria for selecting IT, academic or scientific staff - using ability and aptitude tests to select those with high analytical skills. The initial perception of Belbin's Apollo teams was that they were bound to win in the team competitions. However, the results were quite the reverse, and the Apollo teams often finished near the bottom of eight teams. "