I wouldn't be so sure. Bob has lost a daughter, and that is (of course) tragic. But is it not more tragic to have lost a whole family (or indeed, two daughters), as many people in war-torn parts of the world have?
We might be wandering into qualitative utilitarianism country if we carry on, so...
Come on Wozza. Syria? CAR? MH370? There are plenty more events causing more pain and suffering. I'm not saying Geldof's death isn't sad but put it in perspective.