Duane, I don't remember you responding to my posts, but you probably read them and others probably do, too.
Others are a fan of impact tuning, I am not. Super tight, jumpy pin are a challenge, but there is something about them that allows a technique not available with normal pins. You have probably noticed that with a smooth pull the pitch goes up and up and up and suddenly you hear and feel that snap as the foot of the pin breaks free and the built up torsion of the pin relieves itself. Of course if you started just a little below pitch you are now WAAAY above pitch. The foot of the pin has moved too far! But what is a tuner to do?
First, you can start by knocking the pitch way down. Then use a smooth pull until the foot breaks free and you have more control of what is going on. Keep the torque on the pin and bring it up to where you think the pin belongs, a fair amount above pitch, so that when you set the pin (a many faceted procedure) you can have a stable string that is also on pitch.
Alternately you can use a jerking style, akin to an impact method, to get the foot of the pin where you think it belongs. I use a heavy hammer and will apply a moderate amount of torque and then give it a "jerk" to move the foot of the pin. I think the extra mass of the hammer helps.
Now here is where you can benefit from having overly tight pins. The foot of the pin does not need to be in a precise position for the string to be stable as a looser pin needs to be. You can "bury" quite a bit of the residual twist of the pin in the pin block. At the same time you render the string, gaining a bit more tension in the non-speaking length to help insure stability. It's a many faceted procedure.
Here's another way to explain it. Get the foot of the pin in the ball park, then manipulate the rest of the pin to get an on-pitch, stable tuning.