I think Nintendo fans are the most extreme. I remember how they pretended the wii was powerful until finally forced to admit it was underpowered hardware. Same is true of wii u. I've been on many forums and there is a complete lack of rational thought sometimes defending Nintendo.
I've not seen quite the same dedication from Sony and Microsoft fans.
I do think its related to underpowered hardware though. This generation Sony fans have the best hardware so its Microsoft fans that are trying to convince themselves the xbone is as good. wii u owners clearly are having to support a incredibly weak piece of hardware just like the wii.
I'm not loyal at all to any one brand but do have favourite consoles. I much preferred the snes to the megadrive, I much preferred the N64 to the ps1 or saturn. Then my loyalties went to the original xbox I thought that was absolutely brilliant for its generation but still had much regard for the gamecube. Then I went to the 360 and for about half of last gen time that was my prefered console but then changed to preferring the ps3 later on. The wii I felt was quite poor last gen overall. This gen Nintendo has again sold very underpowered hardware and I do have a wii u which I enjoy but I believe ps4 will be my chosen console of this generation although don't know for sure.
Basically I'm only loyal to the games I enjoy. The more games I like on one system that will then by my preferred console.
I don't get loyalty to brand to be honest.
So anyway my theory the more crap the console the more the fanbase of that brand go into nutjob territory trying to defend it.
