That's simply not true.
Furthermore, you are either unaware of, or are willfully ignoring, all those scriptures that refer to Jesus/Emmanuel/Immanuel, as the son of God.
Son of God scriptures
Matthew 16:16
Simon Peter answered, "You are the Christ, the Son of the living God."
1 John 5:20
And we know that the Son of God has come and has given us understanding, so that we may know him who is true; and we are in him who is true, in his Son Jesus Christ. He is the true God and eternal life.
Luke 1:35
And the angel answered her, “The Holy Spirit will come upon you, and the power of the Most High will overshadow you; therefore the child to be born will be called holy—the Son of God.
Matthew 14:33
And those in the boat worshiped him, saying, “Truly you are the Son of God.”
Where Does The Bible Teach That Jesus Is The Son Of God