I would just carry on and if the subject comes up adress it then. Thats all I have ever done. Sure I have offended some neighbors. But who gives a fig, I dont live by their rules.
Edit-when I say their rules I mean of course their idea of what the rules should be or what they think they are.
in pace, ut sapiens, aptarit idonea bello - In peace, like a wise man, he appropriately prepares for war