Somewhere in that 20-year period, I would assume that there will be some basically new approach that will begin to cut into it, but it's got a long time.
I don't buy into any of that hogwash. They put that out to sell tickets. It's just a classic horror movie, with the Greek drama formula of good versus evil, and lots of fear.
I don't make my own schedule - it's constructed around my sons' school schedules.