Hunted public land yesterday, we were set up ready to go before shooting time on a point in the lake, little foggy on the lake but no big deal. About 45 min "AFTER" shooting time we watched this boat launch at the ramp. I "thought" fisherman. He goes by us with his little boat and trolling motor and saw our decoys " I whistled at him ass well". 20 min later we got a glimpse of him parking his boat and getting out. I started to wonder and thought "he cant be hunting around the corner'. So i walked down the bank about 10 yards and noticed the mojo flapping and thought, this bastard set up "maybe" 150 yards from us. This fool shows up late, sets up close by, amazing! Around 8:15 his hunting buddy showed up so he trolled across the lake and picked him up and went back. We all have seen it I am sure, sometimes in the morning its hard to judge distance but 45 min after shooting time, you would think people would know better! How close is too close??? Thoughts?