Like anything else in warcraft the value of an action or a reward is almost always defined by the amount of players who can obtain it. It is not something that can be sustained in the long term.
---------- Post added 2013-05-14 at 08:32 PM ----------
Well yea that to. They can also go to lfr and then quit. Or just get relegated to lfr. Either way they aren't going to do normals.