Was Kerry used as an example? I mean, he obviously was used as one because Kerry is actually christrian himself. That would be funny if he did it.
Well, my thoughts are that it really doesn't matter. If someone dislikes them, they can put something else up. They can put athiest signs or nazi signs or whatever, and as long as there is freedom of speech (and expression), no one should be able to say otherwise UNLESS it contradicts a law or rule or whatever.