You would think so, but then I just read about eBay executives sending cockroaches & spiders, funeral/grieving-related items and a bloody pig mask to a couple that wrote some not-so-positive reviews about that company…
You should be using a phase diagram rather than a venn diagram here. It depends on persistence or tenacity of the adversary. Legal and administrative measures is the first phase. If that fails to deter adversary, non-traditional and perhaps extrajudicial measures can be employed.