Intentions matter. Terrorists are intentionally killing civilians, whereas Netanyahu is intentionally trying to avoid civilian casualties. Intentions matter a lot in the law. And this is a WWII situation: Hamas is just as bad as the Nazis/Stalin/ImperialJapan/PolPot. It's no surprise it might take WWII-style bombing to topple Hamas and convince Palestinian adults to behave civilized, just like the remaining German and Japanese adults after WWII properly chose to join the civilized world. https://medium.com/non-violence/either-offer-reasonable-actions-to-israel-or-destroy-hamas-the-saw-psycho-killer-w-wwii-style-a4bafd1fc394