God on Trial

I just watched a series of nine YouTube clips entitled God on Trial.  It's a BBC production about a group of men in Auschwitz who decide to put God on trial for breaking His covenant with the Jews.

It was a moving depiction of Nazi concentration camps.  This production chose not to go into detail about the horrors of the camp, although half of the men in the discussion had been "selected" for the gas chamber in the morning, but rather to show how these men faced this horror.

It was interesting to me, because there were many good points argued during God's "trial".  Does God exist, or was He just a really good idea the Jews came up with to counter the power of the various gods that were being worshipped at the time?  Is God just, or is He all-powerful?  He can't possibly be both, considering what goes on in this world.  Is God good, or bad?  Since He seems to have a taste for annihilation in the OT, His "goodness" seems to depend on which side you are on.  Did God break His covenant with the Jews?  Or did He just toss it out in favor of a NEW covenant?

This last seems to be the case.  Who's to say He won't do that again?