@nprofile1q... ... than I'd like to count. It was common practice all over Europe to leave criminals rotting in cages before cities, have their heads on pikes outside the city gates. "We've moved beyond that" my ass, it's just shoved under a thin veneer that threatens to shatter whenever a conflict gets personal.
Is this example you react to particularly despicable? Absolutely! But it's also, sadly, one in a long line that spans cultures.