Was Nietzsche right?

John Gray at the New Statesman:

Nor was Nietzsche, at bottom, a tragic thinker. His early work contained a profound interrogation of liberal rationalism, a modern view of things that contains no tragedies, only unfortunate mistakes and inspirational learning experiences. Against this banal creed, Nietzsche wanted to revive the tragic world-view of the ancient Greeks. But that world-view makes sense only if much that is important in life is fated. As understood in Greek religion and drama, tragedy requires a conflict of values that cannot be revoked by any act of will; in the mythology that Nietzsche concocted in his later writings, however, the godlike Superman, creating and destroying values as he pleases, can dissolve and nullify any tragic conflict.