Some of us have a different threshold than others for at what point a life is valuable, and the loss of that life tragic.
While there can be a time and place for discussions of the 2003 UN performance, calling someone a war criminal, ragging on our military, and so forth — this is really the absolute last place for you to take out those grievances. There's always plenty of other threads, and you can create your own.
There's an old adage of "if you have nothing nice to say, don't say anything at all." I don't generally believe that, and in fact HN's willingness to lay valid and accurate criticism is one of its best qualities, but attached to news of a person's death — a controversial person even — is the last place it belongs.