Government IT secret service work is not just reactive countering. My friends have participated in USA-intrusion of other nations' defences: military, commercial,government & non-government. Either for future uses, or current immediate targets.
How about combining the worst with the worst? Add "nofollow" to any links in negative reviews, and copy negative reviews to a shadow site that's filled with links to sites known for porn, pedophilia, viruses and malware.
Good idea. Scamware appears, but no unsubscribe link. If you do unsubscibe, it validates for more scamware. Could you please be more explicit though, with an example? So I forward the unwanted scam onnto where, and how? All my emails are handled in real time by Gmail & Yahoo.