If you are talking about suicide bombers who intent to kill and maim jews in large numbers then you have a point but Israel does not raget innocent civlians. Even if civlians are killing it is not intentional and in large numbers. I am not saying it is right to kill civlians but the terrorists should stop using them as pawns in the big picture.
U.S. to defend Syrian rebels with airpower, including from Assad (Reuters)
from the article: IDF aims to keep out 'escorts' of Palestinian farmers during harvest