You make some good points, so I will try to explain this in a bit more detail.
The tickets that are presented at the gate, are ALWAYS a hard ticket, and NEVER a computer copy or a facsimile image. They can't be scanned for a few reasons, and I assume the biggest ones revolve around the massive dust in the desert. It would kill the scanners. A small stub at the end of the ticket is torn off upon entry and effectively voiding the ticket from being used again.
The reason for reporting a scammed ticket, or checking the validity of a ticket, is for the scammers who make multiple photo copies, and show the same numbers to many unsuspecting buyers. It really just helps to cut down on the scams.
Still, the ticket itself is considered a negotiable commodity. The only way it can be replaced is if it's lost in shipping to you, and there is no signature for the receipt. Up to this point, it's just a piece of paper with almost no real value. Once you sign for it (DING), it has the full value of a moderately expensive watch.
If you don't believe me, contact BMorg and they tell you the same thing, only in different words!