Wanna purge the maker of this film

Rating: 2/10 (3 November 2013)

I am getting more and more angry while watching this film.
Forgive me for spoiling the movie a bit by telling how stupid the characters are designed. When there is a day that killing anyone is legal, should you stay in-door and respond to no one at your door if you don't wanna get killed? The young kid invited a total stranger in, and helped him all the way through, even being intimidated to surrender the stranger or the house will be broken into and everyone dies? And then the whole family risked their lives facing 20+ armed youngsters/gangsters? For a stranger? If the story is focused on their neighbors/the poor trying to get them, it would be much more entertaining and make much more sense.