The observers become part of the text. Criticism of the text exposes intertextual connections and undermines the intent of the author. Nothing in the text is treated with reverence, the forth wall is constantly broken, and reference to the film as a film while also taking its constructed reality at face value. Two of the observers are ostensibly robots whose existence as puppets is constantly referenced.
Even the theme song calls out the inability of the text to hold together under scrutiny, so you should really just relax.
Mystery Science Theater 3000 is the perfect embodiment of postmodernism. Discuss.