The church says that man is sinful and God is sinless.
What is sin? For example, murder of another person. Anger at another person.
The World Flood is the deliberate conscious destruction of virtually all mankind by drowning, after God was angry with that mankind.
That is to say, God essentially teaches only one thing – if you are God, then you can do anything.
And the church teaches to accept this sadomaso as a normal relationship.