Because there is very tangible difference between brainwashing one a-hole for the greater good and possibly sacrificing him later than to stab him and his men (who unlike him, we dont know if they deserved to die) in the back, slaughtering them and feeding them to the ghouls.
Now, if you excuse me, im waiting for darethy to reply to me and check my candy *** (forums wont let me swear) into smackdown hotel- something you ppl have failed to do so far ![:stuck_out_tongue:](https://d38bqls1q93fod.cloudfront.net/en/wow/images/emoji/twitter/stuck_out_tongue.png?v=6" ":stuck_out_tongue:")