In places I've worked, this is easily the direct cause of 75% or more of operational errors (including my own), and an indirect cause (e.g. via outdated or inadequate documentation, poor labeling, etc.) of most of the rest.
I've heard of occasional case studies along these lines, but I'm wondering what direct research is out there about the psychological factors that lead to bypassing normal processes and procedures.
Would say more, but got to roll out some changes to our production environment and need to be focused on it so I don't do something wrong. :)
The only real protection against it is to keep cycling your email address so the old ones become invalid (to you at least).
It's an odd mistake to have been made though, but without the details of that it's pointless to make assumptions about their system.
http://en.wikipedia.org/wiki/Information_Commissioner%27s_Of...