Palestine is a whole other can of worms I don't even want to open. All I will say is that they have been in a sustained state of war and occupation for generations now, they are likely to be more accepting of any kind of violence in a time like that. I don't want to take sides on that conflict, but consider the statistics. Over 2,200 Palestinians, over 70% of which were civilians and about 500 of which were children, were killed in the summer of 2014 alone.
I know what you'll say about Hamas and how they were elected, but there are three sides to every story and propaganda everywhere, particularly in this conflict.
There is always more than meets the eye.