There's a reason the serious bench rest guys spend almost as much on their rest as they do their rifle. Proper alignment and recoil management is absolutely critical for repeatable accuracy.
I've been fortunate to spend a good portion of my career getting paid to shoot a rifle as a designated marksman for a large LE agency with a full time SWAT Team.
I've been to many schools and training events, but the most profound moment, for me, was while attending a military sniper training school with a REALLY good instructor.
The shortest version I can come up with is to spend more time building your "platform" before shooting than anything else. Once you've established your platform, get down on the rifle and address it will all of the inputs and pressure as if you were about to pull the trigger. Once your at the point of pulling the trigger relax your rear grip slightly and see if the cross hairs move off target. If they do, your position is in a "bind" so to speak and this will be magnified through the rifle during recoil. Re-adjust until the cross hairs don't or barely move during this process. Once you've got it in proper position, then dry fire and you should see the crosshairs dance or bounce from the rebound of the firing pin but never leave your aiming point. After all of this you are ready to carefully run the bolt without changing position and start shooting.
Once this was made clear to me, recoil became much more manageable and always tracks straight to the rear rather than the bouncing you mentioned. Over time you will develop a method to for sitting, prone, etc, that will be very close to right under hasty conditions.
In short (but not really
) I think position has much more influence on wild recoil than being in a node.