Even though this one is from Slashdot, it makes for interesting "entertainment" (loosely defined).
Every community has their own nut cases. The Internet isn't any different.
Remember awhile back where everyone got spammed by that guy looking for the dimensional warp generator so's he could get back to his own time. He was quickly "outed" by a group of people who are now on the receiving end of what amounts to an e-mail bombing (mail with forged return addresses in intentionally bounced off of legitimate servers in an attempt to fill the victims' mailboxes and block legitimate mail to them.
I had a Great Uncle who responded to situations in a similar manner. It kept a family feud going for decades.