In a way, I understand. There are no rules. I do think there is a good chance that living out that idea in any or every aspect of life can be very damaging. My motto is everything in moderation, including moderation.
No. There is just no way it is the last copy so often. Also, there is no reason to do that. Laminate a card with all the box info. Keep unboxed, sealed copies behind the counter. Voila! With about 5 minutes of work I’ve just solved the entire problem!