A generation ago, Ernest Becker taught us that the fear of dying is the mainspring of all human activity, from our smallest efforts at survival to our loftiest cultural achievements. So far as I can tell, our species continues to confirm that thesis.
When the promising young Hebrews were dragged into exile in Babylon, they were not kept in prisons or even camps. They were free to marry, build homes, plant crops and exchange goods. Some became quite wealthy. They were also free to assemble, elect leaders and worship.