It has nothing to do with his resolve against the originals, and it has everything to do with the fact that they want to release an OT boxed set and a PT boxed set. The PT DVDs each have nicely done two-disc sets, but the OT only ever had a single bonus disc made to share between them, unless you count the lame nonanamorphic "Bonus" discs featuring the GOUT.

So, rather than make a bonus disc for each movie, or make two more bonus discs to go along with the Empire of Dreams disc in order to make the PT and OT boxed sets equally yoked, it is just easier to go with the GOUT bonus disc again. Now we have two trilogy box sets, six discs each, and the same price can fairly be charged for each of them. You can imagine the outrage if the PT set had six discs and the OT set only four.