Because Arch is awesome.
(Yes, I'm part of the Arch master race)
I remember one of the local councils where some debris landed sent a fine to NASA for littering http://mentalfloss.com/article...
Based on my calculation that uses a whole $4.20 of power a year.
Hardly an overhead,
I literally threw out a J# for VRML book when moving house a few months ago.
I knew I should have kept hold of it!
...and account details.... and password.... and a few other items of identification....
Not quite as simple as knowing the phone number.
But don't let that get in the way of your hyperbole.
"Aww, if you make me cry anymore, you'll fog up my helmet." -- "Visionaries" cartoon