Just being born does not make God ones Father!
Yeah, you're right! Reminds me of what Jesus said at John 8:44, also what Moses wrote at Deuteronomy 32:4-6.
But I was just showing you how they thought of God, they did consider Him as not just their God, but also as their Father.
And He was a loving God and Father to the Israelites, as He was/is to Jesus.