It's no joke; he's serious. The original poster has started a new thread to press his arguements from this thread:
http://www.pprune.org/forums/showthread.php?t=326707
He's baiting respondants by putting the extra five thousand feet out there, trying to show that most pilots don't think, and are afraid to reject the takeoff.
He may as well have put a big safety net across the runway, or a giant pillow at the end, or even extended the hand of the almighty as a means of slowing the aircraft...all sorts of ridiculous teasers could be put there to say "
but surely you'd reject if this were the case."
Fact is, V1 is established as the speed at which time for rejecting the takeoff is over, and going flying is as briefed. Time to fly.