They are NOT singing God's praises at all!!!
I'm half way through this movie and all I've seen is what every non Christian claim Christians are. Judgemental, having sex before marriage, and controlling and self righteous. Which we are not. Or at least most aren't.
Jesus wasn't nor did He have a religion. You will not see anywhere in the Bible where it says Jesus was Jewish, Christian, or any other religion. But He does expect us to act a certain way, and this movie isn't it.
Nobody is perfect, this is for sure. Especially not those that go to church because the devil attacks us harder than anybody else because he is trying to get us away from Jesus.
This movie just sets a bad example of what God expects from His children.