Here's a total X-Files geeky take on the situation:
= Fox Mulder.
-there is evidence to back up his belief that J Customs are a little bit "above and beyond" the normal Prestige models. Kinda of like a race of "super-guitars". But, there are only a selected few that see the merits of the J Customs, and those few are deemed as heretics or "wackos" (even if not using that exact term).
= FBI Assistant Directors.
-they may or may not know more than they let on, and normally neither deny nor confirm the merits of the J Custom line. There may or may not be inside contact at Ibanez/Hoshino that have additional information. Thus, the J Customs MAY bet better/different from the Prestige/Signature lines, but...they are not at liberty (or are for reasons know only to them, are unwiling) to admit that.
Glen's role as the apparent "nemesis" to Kevan's "Mulder" would also qualify him to be the "Cigarette Smoking Man" in this scenario. No matter what Kevan comes up with to subastantiate his beliefs in regards to J Customs, Glen is there to squash any uprising of faith in the line. Is Glen doing this for the well-being of the public? Perhaps. Or is his dislike for J Customs due in part to somehow serving his own hidden agenda?
-Granted, I'm not nearly as hot as Gillian Anderson, but...I've got a great personality! I was pretty damn skeptical at first as to whether or not J Customs were that great. But, once I was "adbucted" by my RG-ART, I was sold! I'm still cautiously in love with the J Customs, but I'm open-minded to the different arguments both for and against them. I'm definitely in favor of the theory that J Customs are different (if not better) than the other production models. I personally am convinced of this. But...I only believe that because I have experienced J Customs, Prestiges and Signature models all first hand. I can only speak from MY experiences, which are very much in favor of J Customs.
: That evil old dude in the movie who pulled all the strings
They're the "big brother" of guitar companies. It's impossible to get a straight answer, and the real "truth" will most likely never be willingly divulged. The fat cats at Ibanez are probably sitting in their ivory tower laughing at us all right now. We are most likely nothing more than a great source of amusement to them...even though they'd never even admit we existed. If there IS an evil plot to obscure any "truth"...they are the perpetrators of such a scheme.
Thus, at least part of the "truth" appears to have been divulged by Jay13 (a.k.a. "Deep Throat"), but that nugget of "fact" may or may not be valid, and has yet to be 100% substantiated.
The "truth" IS out there....maybe it'll all be revealed by Sunday?