Guys what are the "you dont know your neighbours" style features that you can think of?

I'm watching "The Good Neighbour" today and "Disturbia", "Vertigo", "Summer of 84" are the best ones I can recall right now, possible "The Burbs", although it is kind of horror comedy, do you watch many of these style of movies? What do you think of them? Do they serve any sort of awareness function or do you think they just make people paranoid about their neighbours?