Interesting views here.
Some seem to be in the "leave it alone, we already know everything" camp, and other's in the "I learned something new" camp.
As with most forms art, once the work is released into the wild it takes on a life of it's own. Each individual, each generation interprets it's meaning based on their own biases and life experiences.
What we "think" we understand about Dark Side today says more about US THAN THEM ; )