It's a bit out of context, as I don't know which FAQ question you are reading but it could be a couple of things:
1. there used to be a Nikon raw converter plug, which I've personally never seen, which had a much simpler layout than Camera Raw, I believe. You may be reading about running the wrong plug-in, and identifying it by its complexity. You're unlikely to come across it these days.
2. If you use the same Camera Raw plug-in for CS, but in Photoshop Elements, its functionality is reduced, or you might say "emasculated" ;-)
The FAQ in question is the only FAQ which shows up on the 1st opening page and it links here: http://forums.adobe.com/thread/311515?tstart=0
What I was referring to is at the bottom of the page and the exact question and answer is:
Q: When I open my Nikon NEF files, all I see is the simple version of the raw dialog.
A: You are running Nikon's plug-in, not Adobe's. Delete from Photoshop's plug-in folder and all subfolders all copies of the "Nikon NEF plugin". Nikon automatically installs this plug-in in up to two places inside Photoshop's plug-in folder, and both must be deleted. Otherwise it overrides the Adobe plug-in. An alternative to the deletion is adding ~ in front of the Nikon plug-ins names.
Does this help any? So is this Q&A old and not something I should worry about?
So is this Q&A old and not something I should worry about?
Yes, it's old and no you don't need to worry about it (as long as you don't have that old Nikon plug-in).