Yes, people shooting deer from too far with too little.
Another component is the seasons overlap but when it's NOT deer season, you are not allowed to carry a center fire rifle for squirrel hunting, so it's a method of poaching control as well.
For ages it's been pretty simple, if you are in the woods with a deer rifle, it had better be deer season. If it's NOT deer season, you are only allowed to carry a scattergun or a rim fire for tree rats.
This made enforcement easy, but nowadays, things are changing because of feral hogs.
Caught with a rifle in the woods? "Yes Sir, we're shootin' hogs"... Well, OK, boys, kill em all, if you can.
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