There has been a flurry of activity from the SAME IP address on the Wikipedia entry for the Human Pin Code, claiming to be from different people. The Ex-Human Pin Code Insider who spoke out in a previous blog entry has put together a case study on this.
Since the article has been deleted due to the verifiability of the content (specifically the lack thereof), the issue is moot. Nevertheless, it's more damning evidence against the farcical running of the fraud that is the Human Pin Code.
Click to view the Wikipedia case study.
Click to view Matthew Kirkland's response about the misuse of his name.
EDIT: Brian van der Spuy's original critique of the Human Pin Code has been mirrored here because GeoCities has been closed by Yahoo.