They responded by killing citizens who had nothing to do with it.
which has been typical for Israel.
As I have pointed out numerous times before, Israel works very hard, with excellent success at avoiding civilian casualties. There are civilian casualties, of course, but not nearly as many as one would expect when they have to attack an enemy hiding among the population in one of the most crowded places on earth.
Oh, I know, you would rather the damn Joos just take it, and line up peacefully for the gas chambers.
But Never again means exactly that.