Glad to see the shotmaker thread. I happen to be the one that started the thread about the shotmaker on another popular forum.
I believe the shotmaker firms up impact feel. I believe Mike has demonstrated through testing that the head is stabilized by the shot maker which prevents that sensation of a glancing blow when you catch it high or towards the toe.
To avoid the noticed dropping distance and I agree it tends to be around 10 yards I have gone to slightly lighter shafts. I have always liked 70 to 75 g weight shaft. And since I started using the shotmaker I have switched to 65 to