God shows through Job that what really matters is how things turn out in the end.
Uzziah was a great king and was greatly blessed of the Lord. At the peak of his strength, he began to trust in himself. His strength led to his fall. It is often in times of perceived strength that saints of God become most vulnerable.
God’s purpose for this age is not to create an earthly utopia, as taught by the Reconstructionists and other Amillennialists. However, that does not mean that our outlook is pessimistic. It is pessimistic only if we keep our eyes on the world.