"Mängelexemplar" is a new German movie from this year, which is the first full feature film written and directed by Laura Lackmann Popescu. She adapted television personality Sarah Kuttner's novel for the screen here and I must say apart from some minor flaws, she did a pretty good job here, especially looking at her lack of experience.
But who isn't right? Then again, if you are so cynical that you start yapping away at a kid that got lost in a supermarket ...