Indeed, Jews' idea of God evolved over their history. Jack Miles' book "God: A Biography" points out how the ancient theology ends with the humanistic skepticism of Job and Ecclesiastes. As a result of their history of being conquered, Jews became more and more jaded and thus acquired a greater sense of humour about religion.
That's an interesting interpretation of Abraham's willingness to sacrifice his son. It pits the old-school priestly slavishness to a tyrannical God, against the more mature, distinctively Jewish secular humanism. The latter would indeed champion heroic rebels against tyranny, like Job. Due to all the redactions, there are many layers of meaning in Jewish scriptures.
This article is part of a series on the need for humour in religion.
