You mean there is no alternative to killing civilians at gunpoint, including children, filming the whole thing and publishing it online?
Hamas doesn't want a two-state solution, and this kind of reaction from Israel is music to their years. It will keep on fueling hate for years to come.
Once I was making out with my girlfriend, when the phone rang. I answered and the voice on the other side asked: "what are you doing to my daughter?" I told her and she said "my dad is dead". To this day I still don't know who might have been telephone.