Until now, I had nievely assumed that spamming was nearly nonexistant on Perlmonks. Yesterday I encountered a spam node within minutes after it was posted. When I submitted it for consideration, my approval nodelet returned showing it already considered by someone else, with four votes to reap. Such a rapid response by a vigilant community is apparently what keeps PM so clean ++.
Perhaps if the Internet community at large dealt with spam so swiftly and decisively, spamming would become a thing of the past.