As an Israeli, this movie makes me sad.
I have watched several segments of this movie and in general the treatment the Palestinians got from the soldiers seemed to be fair but I know that without the camera around this is not always the case.
Unfortunately, the reality is that they send those 18-19 yo soldiers to do work and handle civilian population with very little guidance. They are not trained to handle the civilians and do the role of a police officer. The rules seem to be flexible and the ultimate decision is in the hand of the soldier.