I'll throw this in. The objection to the passages on slavery seems to be part of a larger point made be atheists: why would a just and loving God allow suffering?
Which seems to stem from the assumption that there is nothing to be gained by suffering, that it is the inherent right of every soul to be, coddled, for lack of a better word. Entitled, you might say.
I have heard that argument before but it is not the view point i am coming from. On this issue im coming from the view point that under no circumstance is it ok to treat another person as property and i cant see why a god would be ok with that as exodus 21 seems to imply. If i were looking for every person to be coddled then a religion with an afterlife is exactly what i would turn to. What better way to coddle people than by saying that this life is just a start and if you follow the rules you will live forever? Sorry if that reads as argumentative but i tried to reword it twice and would rather be blunt and clear than wishywashy.