I'm not usually in the habit of photographing other people's trail cams, but here's one example.
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This is a pretty obscure location (not near a road) on a general unit. Admittedly, one of these cameras is mine. I broke some branches to setup my camera. When I came back a few months later there were several others on the same tree. There are usually 5 or 6 on this tree. This is the only time I can find that I took a picture of it. There are also usually 3 or 4 more on other trees nearby, but I don't think I ever took a picture of those.
In full disclosure, I have 10 trail cameras and I was one of the ones hoping to continue using them in the fall. But I can also admit that it has become a problem over the years. In spots where there used to be 1 or 2 cameras, there are now 8 or 10.
Am I technically part of the problem? Yes. Did outfitters running hundreds of cameras ruin it for us "average Joes"? In my opinion, yes. Will I still put up my 10 cameras this spring? Yes. And will I take them down by July 31? Yes.