Perfection is Normal:

Knot 2 was about how copies in ancient time were never the same. That was due to the ways they were made. Computers however changed the game. They made a perfect copy every time. But the problem with computers is that copies being normally perfect is only relatively true, due to power shortage, networks breaking down, etc. So perfection is normal only in the Digital world. The reality is that perfection and normal can never fit together as one because nothing is normally perfect (unless in the Digital world).