The video would also be of great practical benefit to those that had spent the last few decades locked away in prison, or having been in a coma or having been in a forced-labour camp in North Korea for all of that time. They could be quickly brought up to speed and made aware of the many new innovations.
I think that the use of GParted is telling - the Microsoft way is to force a fresh format of the disk in order to go from FAT16.
Coming soon: similar video of Slackware being installed and upgraded from version 0.99 to 14.whatever. That's bound to go viral.