All surgery has suture, and mine had anchors in the bone similar to your labrum repair. I'd say that if your surgeon is no more confident in his repair than that, you hired the wrong surgeon. And he thinks that flyes, an isolation movement, are safer for the shoulder than presses and benches, which spread the stress of the movement over the entire shoulder musculature.
Australia must a be a primitive country. Was he wearing a loincloth during the consult?