If God was no more than a King or Judge, then it would be possible to speak of his triumph, if his enemies were agonizing in hell or were totally and completely obliterated and wiped out. But God is not only King and Judge, God is Father - he is indeed Father more than anything else. No father could be happy while there were members of his family forever in agony. No father would count it a triumph to obliterate the disobedient members of his family. The only triumph a father can know is to have all his family back home.