Opening scene really upset me

I rented this film from Netflix and didn't notice when I selected it that it was a De Palma film. Somehow I confused it in my mind with the Disney films Escape to Witch Mountain and Return from Witch Mountain (which I had never seen before but had heard of), so I was expecting some light fluff.

Can you imagine the shock I experienced during that opening, politically-charged and very emotional scene? The subtitle showed that the location was the "Mid East," but the signage in the scene clearly showed that the setting was Israel. And the terrorists were clearly Arabs (or at least the viewer was led to believe so at that point in the film).

I don't feel that the horrors of real life should be censored from film.
But when seeing such horrors in film, I need to be in the right frame of mind.

(And no need to fill this thread up with hate messages. I acknowledge that it was my error in not properly researching the film before watching it. I am just sharing a bit about my personal experience of viewing it, given my frame of mind at the time.)