It is more likely because good is perfect. There are none that are perfect except Christ, The Son of God. Christians are perfect in Him, having all our sins washed away by His blood, but at the same time we are not perfect, far from it, in our actions. Christ was/is perfect in every way.
Some people have some wisdom, some more than others, but no one has perfect wisdom, except God. Jesus is God come in human flesh and had/has perfect wisdom. He is the good Son.
Just curious: did you read the article?