Hmmm, interesting. Yes, I do remember that effect now, IIRC the grille of Luke's speeder exhibits it pretty badly. I always thought it was a byproduct of my scaling up to anamorphic, but you say it's present on the actual source? I never noticed.
The avisynth filter EEDI2 helped a bit with the jaggies on the GOUT, it might help here.
I also remember that the US DC/Faces discs had a much worse problem, that Laserman described as a misalignment between the fields that make up the frame. In which case, a sub-pixel adjustment of one of the fields may also be a solution, but would only work if the misalignment is constant. I'll have to dig out the old threads on the subject.