Wisdom helps us face and overcomes the unpleasant realities of life lived under the sun.
Having God's wisdom enables believers to see the crooked things in life that are allowed by God for their good and His glory.
The better things in life.
Worship of God without fear and obedience to Him is empty (vain) hypocrisy.
Justice becomes vain and corrupt even as man is like the animals when it comes to the inevitability of death.