You clearly don't follow Jesus' teaching and don't understand God. God doesn't forgive us because we are good, He forgives us because God is good. Santa is a metaphor for God's generosity to us. God loves all of us whether you like it or not. 
I am a Canadian and our Constitution includes a Charter of Rights. It has balanced rights of Religion and Conscience. Our laws seem to find an medium in the context of a pluralistic society. Open your heart and mind and you will find God.