Next thing you know...

your Ball Parks will stay on the bun only if used with French's mustard, or your life saving medication will work only if you chase it with Brand X bottled water.
All in the name of customer service, of course.

I guess I'm late to the show, but I hadn't heard of region-coding before reading the linked-to article this morning. What other surprises are coming our way. Off the top of my head is a surcharge for time zone roaming with your Apple Watch. Why not? ...or a car that will accept only one brand of gasoline. Good luck with those vacation plans.