“This is a struggle between the children of light and the children of darkness, between humanity and the law of the jungle.“
(* deleted tweet by Netanyahu)
They spent a year bombing an inhabited city into rubble, killing tens of thousands of civilians. Whatever definition of "policy" you're using here isn't particularly useful I don't think.
If some really weak person kept trying to kill you by punching you in the face would you hold your own punch back to only hurt them the same amount or would you absolutely deck them?