You see, I have a right to enjoy MY privacy, and you do not. Nor do you have a right to prevent me from enjoying my privacy by defeating my privacy fence legally erected on my property.
Are you saying that the first people to build a 'structure', in this case a fence can prevent neighbors from building decks? Interesting, we put up a privacy fence and later the neighbors built a deck. Are you saying that they are not allowed to do that????