If Jesus existed as we believe He did, there were probably Athists who He considered to be friends. We should all help and love each other no matter what we believe and not let our differences make our lives worse.
Stupidism - When a person who thinks they know about atheism clearly has no clue about abiogenesis, cosmological evolution, organic evolution, thermodynamics, and natural selection because they haven't been bothered to read up on it.
Since God is all powerful he cannot be an accomplice because an accomplice works in subordination to someone else's crime. Satan is God's pawn. He cannot outsmart god. Even his best laid schemes play right into God's plan.