No, thats not it.
They have to protect those that are not capable of protecting themselves.
You cant fix bad parenting with Laws.
There was some town on the news the other day.
They mandated that all residents carry. Crime fell through the floor.
Education, training, and licensing can only do so much.
There will still be anomalies that kill as many people as they can
once in a while.
Laws are to protect society. The sheeple need as many laws as possible
so that they do not have to have any personal responsibility.