Recent studies have shown that torque ratings can play a big part in shaft selection. Shafts with low torque ratings have higher torsional resistance. This means that the shaft twists less and consequently the club face tends to stay slightly more open. This is usually helpful to golfers with a slight hook or draw. This is helpful to golfers with a slice or fade.
Every golfer wants to increase distance and accuracy.
Unfortunately, an improvement in one usually creates a corresponding deficiency in the other. As club makers, we strive to find an acceptable compromise. This job is made easier if we can convince the average golfer to consider distance as the key feature in the driver only. With all other clubs, consistency and accuracy are far more important than distance. If it ends up anywhere in the fairway, we're usually pretty happy.