I'd say the Bucks are more relaxed because of very little hunting pressure.
I have an 80 acre spot I hunt, but there are 4 other guys that also have permission to hunt it. You learn quickly to use other hunters to your advantage or you won't do much good.
Is there really a difference in huntinga low fence and high fence QDM area? I have a friend that guides some for a High fence operation, but there is over 7,000 acres fenced in.
Where hunting pressure is Low the animals tend to be more relaxed. Most Public ground out west has less hunting pressure than private ground in IL.
Dan