In storytelling, the past dictates the future. Plots are laid out like traps that our heroes inevitably fall into. And we, watching Bruce Willis in Looper, or reading of Dream in The Sandman, are thus fated, as well.
The new nostalgia signals the ultimate rejection of millennial anxiety, postmodernism, irony and the future. It longs for a post-industrial, green world. Of course, that suggests a vague and painful longing for something that never was.