Are you sure? A wife that is simply beaten and not killed is available each year for the husband to beat. But if he kills her she is no longer available at the next Superbowl. What would Donald Trump say? He would say, "Don't waste your resources! Beat her only enough so that she gets the message and then goes and gets you another beer!"
Then the farm team can move up to the pros to fill the gap.
At least that's what my Magic 8-Ball says; and I've really come to rely on it.