but the main reason is all humans re-incarnate we are spirits, you need to educate the spirit or they will just come back
they need to know what a human is
killing they escape"
And how many more destroyed children will it take for their enlightenment to occur? Karma dictates they be killed and then they'll come back in their true rock-spider form.
And Jail? Really, for maggots like this it'll be like Disneyland.