There was already a law on the books,
thou shalt not kill. This verse is talking about a
fetus that was discharged from the womb.
They had no problem since knowing the meaning of the Hebrew that a soul is given at birth "from outside the womb. Not before. You need to keep that in mind, please.
If God chose not to give a soul and the fetus came out not alive? Would have been stillborn? They could not know with certainty if it would have been still born. Only if the child survived birth, died, and showed signs of trauma from the fight, could it be considered murder.
And, if the woman was only a month or two pregnant? Many could have known she was pregnant. Especially, if she jumped into the fight to protect her husband. That is why it was written in the Law a woman can not grab the private parts of a man her husband was fighting.,.
"If two men are fighting and the wife of one of them comes
to rescue her husband from his assailant, and she reaches out
and seizes him by his private parts, you shall cut off her hand.
Show her no pity." Deut 25:11-12
The woman could have been charged in such a fight as well! There is more than meets the eye here. That is why the judges were needed to sort things out afterwards.
notice Ecclesiastes 11:5: “As you do not know how the spirit comes to the bones in the womb of a woman with child, so you do not know the work of God who makes everything” (Revised Standard Version).
The spirit in man is given in [the womb], not at the baby's first breath.
Hold on a second. That is simply saying that with their limited scientific knowledge of how things work, they did not know how the fetus became animated inside the mother. Also. Very important! It spoke specifically of the life spirit coming to the *bones.* Is that where your human spirit resides"? And, not in your soul?
The word "spirit' back then, like today - was used in various ways. When saying a girl on a team played with great spirit? That means she is born again? Or, if someone is mean spirited? That they are possessed?
Please ... Don't over simplify to try to find instant satisfaction. Too many Christians abuse the Bible in that fashion, and it makes Christians who do so look foolish. Its a bad witness to the unbeliever with common sense.