To install Windows Vista from floppy disks
would require a stack of disks almost 8 feet high.

Imagine that.
(MooCow_Byter, Mon 1 Jun 2009, 23:12, archived)

Also imagine how annoying it would be
when you inevitably lost install disk 1278, and discovered that the last eight hours spent swapping floppies in and out of the computer had been completely wasted.
(MooCow_Byter, Mon 1 Jun 2009, 23:16, archived)