Strip nationality from terrorists? How about just execute terrorists? However, I would like to congratulate the Australian gov. for at least taking some measures to rid their country of the subhuman menace. Just have to go a little further. My choices to Islamists: noose or bullet?
To execute a terrorist you need to at least have said terrorist within range of a suitable weapons-system with adequate targeting coordinates. An Aussie dual citizen at an unknown location in, say, Syria can be stripped of his or her Australian citizenship.