Their choice was war

Powerline: "It's time to crush Gaza"

When a country is invaded by a foreign power, the only sane response is to retaliate with massive, overwhelming, disproportionate force. And when an invader commits the kinds of atrocities that we have seen over the last week, unprecedented in modern times, vengeance must be the order of the day.

War is a terrible thing. But the Gazans started this war, and war is what they are going to get. Every resulting casualty should be laid at the foot of Hamas and all Gazans who have supported and collaborated with Hamas–a large majority, by all indications.

John Hinderaker is echoing a quote from Civil War general William Tecumseh Sherman:

War is the remedy our enemies have chosen. Other simple remedies were within their choice. You know it and they know it, but they wanted war, and I say let us give them all they want; not a word of argument, not a sign of let up, no cave in till we are whipped or they are.

Sherman followed up this policy with his scorched earth March to the Sea because he and Grant were resolved to end the Civil War, once and for all.  Israel has the same intention for Hamas.