For the world at large the decision should mean vicious despots around the world will sense that their apparent impunity is now threatened by a world which can and will call them to account. The emphasis there is on "should."
It seems only natural that the international community should crank up judicial machinery to enforce the rule of law against humanity's most heinous crimes in places where no working national court system can provide justice. Let's just get on with it.
I took more than a passing interest in the recent news that Charles Taylor had been convicted on 11 counts of war crimes and crimes against humanity by the Special Court for Sierra Leone, meeting in The Hague.