I don’t think so. At least in my case. Maybe sometimes one symbolic picture can tell us more than tousand words and trigger emotions which lead us to conrete actions, but usually, like in this case, shocking event “makes noise” only for a moment and focuses attention mailny on itself.
Watching this movie I quickly forget about Palestinian children and after all try also forget this awful scene at the and.
Maybe the problem is that I don’t understand the language here, but anyway it looks rather aggressive, and aggression can provoke rather quarrel than dialog.