Excellent points. I think the whole concept of Facebook is different for so many people. For so many people, it's another way to fuel their narcissism in posting each second of their day. That's creepy to me - not even my husband knows what I do each second of the day. For others, it's a great tool to find lost relatives or keep in touch with far away friends/relatives, and for others, it's a way to look for dates or start relationships. There are so many uses for Facebook, so only the OP knows exactly what her husband's intentions were, and I see from updated responses, that he thought they could communicate about political views. Only she knows if this is legitimate or not, and if it bothers her, then I think she has every right to talk to her husband about it further.
Tiger