Qaddafi killing was probably the single worst thing to happen to the west.
1. Broke any trust in making deals with NATO and the US, especially regarding nuclear disarming.
2. Flood Europe with detestable horde, changing the demographics of mainland Europe forever. France and the UK were bound to be fucked due to their colonization of street shitters and farm equipment but the migration crisis fucked the non colonizing countries up as well.

And in the end, the main objective for killing Qaddafi going to be null as Africa drops France CFA currency.