take them hunting or with you when you are doing a preseason scout let them feel first hand on how it is then they have a right to an opinion,but if they have never been out there then they need to leave it be. I myself converted a anti-hunter about 3 year's ago told him if you want the right to put us hunter's down and actually know what you are talking about then come with me before the hunt and during the man now is one of the group who goes up to our bowcamp every year and hunt's