About the only solution, then, is that when a ranger with a murder scent in their inventory that was left by their target instead leaves a 'Redolence of Revenge' and is not as restricted, whether they can hearth or do not remain logged in is a matter of much more debate.
Violence begets more violence, so the only possible deterrent to the endless cycle would be forgiveness. On the internet. Cue uncontrollable laughter. Instead, a respect for revenge along with different mechanics could deter further action. Cue more uncontrollable laughter.