from the old-school-and-oldest-school dept.
jfruh writes "You might think that flat files, VAXen, and punch card readers are things of the past — and you're right, for the most part. But here and there, these fossilized technologies have found places where they can survive in production use."
Computers are unreliable, but humans are even more unreliable.
Any system which depends on human reliability is unreliable.