Right.
The issue at hand would be whether or not they would be accepting them at tournaments as "official." Since the event was sent out, its existence is possible, so this reply indicates they are willing to accept it.... unless as Kaphotics said, it's in dispute? Or maybe only the original person can view the page.
At any rate, the Gamestop Celebis that DID make it out there, actually FROM the instore distro machine (either from the date being set wrong, or getting a favor from store staff) are going to be so few in number that anyone will doubtfully ever see a fully legit one.... everyone else who has one got one from the dumped rom or pcd/pgt files... or a bad hack.
98% of the people in the world who have a Gamestop Celebi do not have a legit one.