"They have to shoot problem bears because they can't (currently) shoot problem campers."

Too funny!

I hadn't really ever heard of black bears being very problematic until somewhat recently. What I've heard is that the black bears along (somewhere) the AT (IIRC) have learned that hikers carry food and will target backpacks and such. I've seen how they are becoming more problematic in Pennsylvania invading neighborhoods, and just aren't very fearful of people or dogs.