Notwithstanding the open fields doctrine, I find it suspect that the WRO would have simply wandered onto private property to do routine checks. I suspect someone tipped him off, which would justify the just cause.
Now, could it have been handled better - that's up to debate.
Frankly, having surveyed in Wilkes County NC a few times, my impression is that violating a man's property with an intimidating attitude is going to lead to some ill will, whether a bait pile, moonshine still, or a couple stalks of diggity dank.
Justice may have been bettered served with a CANON as opposed to the cannon. But hindsight is always 20/20.
Wonder what would happen if a tree stand could be considered "curtilage"?