Not that this is a good reason, but one possibility is that the backend could require human interaction. Perhaps when the form gets submitted it gets automatica

Not that this is a good reason, but one possibility is that the backend could require human interaction. Perhaps when the form gets submitted it gets automatically sent to a printer where a person manually files it. I could see a process like that showing up on http://thedailywtf.com http://thedailywtf.com ...