Insisting that there is only one King might appear idiotic to some:
1 Corinthians 1:18
For the word of the cross is foolishness to those who are perishing, but to us who are being saved it is the power of God.
King of kings
And Lord of lords
But my kingdom is not of this world was His admonition
You are saying that all kings, throughout history have been an affront to G-d?
silly