My point is merely that if Disney really wanted to release the original films they’d have done it by now. As people inside Lucasfilm have indicated, the primary obstacle to an official release is Lucas’s wishes. Some have interpreted that to mean it’s a contractual obligation; I find that unlikely. I think it’s simply a calculated trade-off.
Whatever Disney estimates they could earn from a release isn’t worth losing having Lucas in good (enough) graces to occasionally show up for the opening ceremony of a new theme park land or maybe drop in at Star Wars Celebration. In other words, they’re willing to risk alienating him over the direction of VII, VIII, and IX, but not on a home video release of the original movies. To me, that says all that needs to be said about how Disney estimates their value.