Readers take the opportunity to joke around. This weak attempt at humor only took 72 seconds. Won't happen again. Complaints about spam use bandwidth, too. All the spam complaints have eaten up far more bandwidth than the original spam itself.
Lets agree, no spamming and no griping about spamming.
That's probably true, but it destroys all the fun, and there's little chance that people are going to adhere to that suggestion. And the reason is rather obvious - because we love spam. A couple of industrious students thought of an ingenious, albeit comic, method of combatting these exasperating posts. A web page about the newsgroup , as well as a web based FAQ on the list are a pleasure to read. People join online mailing lists out of a common interest.