Did the war against Iraq fulfil the criteria for a legitimate use of force under the 'humanitarian intervention' doctrine

I believe that the coalitions invasion of Iraq, was not justified on the basis that it did not fulfil the circumstances which justify the doctrine of humanitarian intervention. The use of force against one state by another under article 2(4) of the UN Charter is expressly prohibited, however, it is argued that humanitarian intervention is a justifiable exception to this article (p190, r4.10). The argument that humanitarian intervention constitutes a justifiable exception to the UN charter …

…which intrinsically involves killing) to secure a protection of human rights (http://www.austlii.edu.au/au/journals/DeakinLRev/2003/7.html). I believe that continued examples of situations akin to the Iraq war is destructive to the legitimacy of international human rights as such situations serve to reinforce the dominance of western values and a belief that those powerful states are not bound to any legal, moral or ethical rules, an analogy to a Marxist perspective.