Lessons in history
If you read the book Blackhawk Down, and then read a little wider on the history following that event, then you will see that removal of an individual warlord has very little (if any) effect on anything, as he is replaced willingly by sons, cousins, nephews, lieutenants etc. almost within the hour.
Pan Am103 bit the dust well before Bin Laden, so the genie was already out of the bottle, and there is no going back. The world is left with an expensive and ongoing security nightmare: 'tis the way it was and the way it is....
Now off home to put on the beer goggles to improve the look of things in my own world.
Seabreeze