I believe the two elements that combine to make these things so bad in such an enjoyable way is the combination of incomprehensibly bad prose (I can honestly say that I wrote better when I was six years old, and that is no boast) and unrelenting preachiness that truly seems to be an effort to elevate idiocy into an art form. They are enjoyable because the diction is so wrong and the situations so absurd and the "messages" so violently hurled at you that you feel compelled to keep reading. The lesson here is that we're lucky R2 got to be the one who recounts the Star Wars saga. Had it been whoever told these tales in-universe (Leia per the Polyhedron article, I believe), Troll 2 would definitely lose the title of Best Worst Movie. Much like the Davidses, Artoo cannot speak in words. But he has Threepio to translate for us. Alas, we have no Rosetta stone for the curious form of communication that the Davidses use. We are forced to interpret their scribblings entirely on our own. That's subtle. Where's the ivory stump? And, of course, Leviathor is white. I think the Davidses were extrapolating from another source. At least it proves they can count. Why go to the trouble of developing personalities for your characters when you can simply come up with physical traits and let them make a character who they are? "Laser pistol earrings = lean & crafty." Done. That is the new face of literature. It's so avant-garde it won't be accepted for fantastillions of years, but make no mistake, it's there, and the Davidses introduced it. Actually, isn't that as good a description of Mon Mothma as is possible? Sure, there has been some character development over the years, but I don't believe there really is much more to her.