See Belshazzar and Ahaziah.
Granted that God cannot be insulted, but that doesn’t mean He isn’t miffed at those who try.
“See Belshazzar and Ahaziah.”
Ahaziah was a king of Judah. He had a relationship with God because of his lineage and office. Belshazzar did not not insult but violated the cherem and blasphemed, Dan. 5:4, “They drank wine, and praised the gods of gold, and of silver, of brass, of iron, of wood, and of stone”, much like the Pharisees did in ascribing to Satan the healing and deliverance of the Holy Spirit.
What is interesting in the 10 Commandments only God and parents are commanded to be honored.