Normandy's Rude Crew

By far the dumbest thing about the original ME trilogy is how Shepard won't let Dr. Ann Bryson whose help is needed desperately ride the Normandy. After you pick her up at the dig site and need to return to the Citadel lab Shepard says "we'll arrange for transportation and meet you there". This bothers me greatly everytime I play. The Normandy crew seem to be jerks. WTF!?