What an absolutely horrible thing to say!
It was intended to be just that.
She needs an attitude adjustment. She needs to understand that getting only those people who were directly responsible is not enough. We need to commence an all-out, relentless campaign against all terrorists, and against all who aid them. A permanent war.
Otherwise, they just keep coming.
What a horrible thing to say? What TheOtherHarry was trying to get across to you is that, Hey pal, war is hell. You haven't got a clue what motivates heroes, and you're a danger to your country. Those people died for brats like Miss "I don't want to die". Clue: NOBODY WANTS TO DIE.