> I think he's suggesting that social norms generally permit neighbors access to each other's lawns, and that violating these norms is associated with cranky ol

> I think he's suggesting that social norms generally permit neighbors access to each other's lawns, and that violating these norms is associated with cranky old men. Actually, they don't. The social norms allow access when you're interacting with the relevant residents. It's like toys - you get to play with Pat's toys while playing with Pat. Otherwise you ask, and even that can be creepy.