The easy answer is, "To make a buck."

The complete answer is, "To make a buck on an out-of-date, out-of-context work because we're out of original ideas. Oh, and come see it because it's socially relevant to today's civilization regardless of its context since the story is absolutely timeless (i.e., we need you to help us pay for it)."

__________________
"Any technology, no matter how primitive, is magic to those who don't understand it." - Florence Ambrose