I guess my opinion is unpopular here, but I'll repeat it again because the meat of what I'm trying to say is hidden in that big comment block in my previous post.
I love Star Wars, I really do, but I fail to see its value as anything more than a three-part morality tale with great characters, creatures, and Jim Henson Muppet-monsters.
I just don't see the point in bickering about the ROTJ plot. It fits in with the others because they're collectively just three silly little movies. That is, they're three very successful and entertaining movies, but silly little ones nonetheless. Enjoy them!
Star Wars =/= Citizen Kane