Where does it say the installation caused the fracture? The problem is statement in the recall explains that under certain driving conditions it could fail. If you take a good look at a picture of an uninstalled Tie rod end you will see what we are talking about when we say tapered shaft that can't pull the ball out of the socket while being tightened. Tightening the shaft puts no pressure on the ball and socket at all. The recall is about the ball and socket separating due to the side force applied while turning and putting pressure on the joint.