???? World peace

Tell me if I am missing a step here:

1.  Colonel Gadaffi has WMD programme. Is a bastard to Libyan people.
2. Colonel Gadaffi agrees to disband WMD programme. Remains a bastard to Libyan people.
3. NATO commits itself to regime change because Colonel Gadaffi is a bastard to Libyan people.
4. We ask Iran, Pakistan, North Korea & Syria who are all bastards to their own people to give up their WMDs.
5. ????
6. World Peace

Whilst I do see why protecting Benghazi from a massacre is a worthwhile objective extending the mission to depose Gadaffi- an admittedly disgusting creature- sends out a message to all of the other states in the international rogues' gallery- "Don't give up your WMDs under any circumstances or you will be annihilated".