I've got to hear this one. What was he arguing and what was the fanfiction he was trying to use?It could be worse. He could be using his own fanfiction as canon. Some people actually do that. :/
Or was it Mike Peters?
MPS mentioned one of them. I remember him actually posting actual fanfics he wroteback when I debated him on VGF.com. He tried using it as evidence for a single Link. For context this was way back before TWW came out and there were still people who thought there was only one Link. I don't recall what his logic was for using fanfics as evidence but I do remember we would pick on his grammatical errors in his fanfics instead of bothering to debate his theories. He'd get so pissed off.

I don't know how he was like here. I hear bits and pieces from MPS and others. Seems he got crazier.
Another one is a guy on youtube who used a fanfic he wrote to explain his theory. Can't remember who but someone posted a link to his videos here before.