While I don't think a law is necessary, there are a lot of hunters who lack etiquette and discretion that need a lesson or two. There's nothing wrong with showing off your kill............whenhe isup on the wall where he belongs. Parading a bloody carcass around town does nothing to promote hunting, only causing some of the people that sit on the fence (don't hunt yet not anti-) to jump off the fence in the wrong direction.
Another thing that annoys me to no end is when somebody shoots a deer and cleans it in the morning, then goes to town without cleaning up a little. Not everyone likes to see blood-stained clothes while they're eating. If you are going to represent hunters, do it right. Clean up and try to be a shining example of the population. And I'm certainly not saying there is anything wrong with camo. Wearing camo lets people know your a hunter. Just make sure to pack and extra shirt and some jeans so you can look half way presentable.
Edited for (mis)spelling.