Basically. After all, if you and I move into the neighborhood, their "percieved" property value will decrease, no matter how well we keep our yards...
That's not all bad, I guess. There's something to be said for honesty. Don't smile in my face and then stab me in the back. Therefore, they should all say exactly what they think. We all feel better after a big, wet, warm, stinky bowel movement, right?