I was out on a house call for my son, fortunately I havn't had much dealing with religious people, the only encounter was my oldest brother who I think got infected by his wife, tried to ask me to take my kids to church, fat chance. Also when I had him on the phone and told him that the bible was full of violence, he said I must have misread it. So I've been pretty much sheltered from the righteous .
Actually, Jehovah's Witnesses tend to vote fairly liberal, for such a theologically-conservative denomination. They're very much in favor of environmental issues, for example. They're all for the separation of church and state.
Think about it. They're a small denomination with a history of being treated like a cult by other Christians. Those who are ignorant and xenophobic have abused them for a while.
And those who actually bothered to learn about them also treated them like a cult, because of their generally cultish behavior and the fact that they're non-trinitarian. I'd still classify them as Christians, unlike the Unity church, for example, but they're on the opposite side of a divide that was sorted out over 1,800 years ago, for most Christians. It makes them a target for discrimination.