Society was barbaric during that time, no two ways about it as most people were slaves. There was not a lot to work with considering the morality of the society in the world at that time.
But then God injects into this dystopian fallen world with the Exodus to free the Hebrews and the notion of it being unlawful to keep a slave a slave for life and even giving slaves a day of rest.
It was the real fist stance against the commonly held view that slavery was Ok.
In fact, it was a minority who held this view in the world, but according to you, being the minority view does not make it "good" since you must be in the majority for society to find something as "good".
But today, this minority view has overtaken the rest as we all get one day of rest thanks to the said Mosiac law. In fact, we even get two days. Also, most societies have outlawed slavery.
But the irony in all this is, your superior society you gloat about today that has largely outlawed all slavery with the majority agreeing it is bad, now has more slavery in it than at any other time in human history.
A report published Tuesday highlighting the scourge of modern-day slavery paints a stark picture. “We now have the largest number of slaves on Earth than we’ve had in human history,R…
www.nydailynews.com
But this morally superior society, as you put it, are consumed with slavery in the 1800's instead. Think of it, all these slaves today that society basically ignores as they lament slavery hundreds of years ago, they can do nothing about, and all for political benefit because they don't really care about people, they only care about winning elections by pretending to care about human suffering.
How is that for your supposed morally superior society?