Remember when zombie84 reported on his site that the 2004 versions were only done in a resolution of 1080P. Not exactly blu ray reference quality.
Not sure Lucas will get away with it, but he probably will if you use the example of warner's and lord of the rings, or gladiator, and paramount with star trek 1-6.
For most people good enough is better than nothing.
Funny thing about those releases they all included the theatrical versions, which won't happen here.