Why would you hope that Jim?? Don't you want it to be easy for US troops to eliminate these lo-lifes. When they are in a bunch - fewer Daisy Cutters are required - thus saving tax dollars.
Who you rooting for??
I'm pretty sure he meant that he hopes the enemy will be so badly punished (decimated, annihilated) this time, that they will not want to ever consider gathering together in the future. Get it?