Really, one in a thousand. I don't think so buddy.
You must have not looked that hard. I found two in two minutes. Same thing happened to my box happened to the guy below.
https://forums.macrumors.com/threads/983769/
https://forums.macrumors.com/threads/965885/
"I happened to outside when thit was being delivered and I was about to say to the delivery guy becareful with that as he merrily crossed the street...the strap on the case broke and .........he dropped it !!!!...luckily only from carrying height and he semi caught it......still....those plastic handles on those boxes are wimpy...BAD IDEA!!."
BP
If you think about how many imacs are shipped...you would think we would be hearing more about bad boxes. Just callin' it like I see it. I didn't "look" for broken box threads. I just read. No one but you complained in my recent memory.