Thank you so much for your advice Mike, I really appreciate it. I was preparing to send it back first thing in the morning!
Anyway, since eBay is mediating in this matter, I wrote them back asking that IF the seller agrees to allow me to open the USPS packaging and inspect it myself for the presence of that info, AND also stands by his original return policies then I would like to keep the WD My Book. I’ll keep you posted on the results.
Oh, and thank you for the My Book Live Duo drive info. As an aside, before I chose the one I’m getting now I was actually going to buy a variant of the My Book Duo but changed my mind due to a serious potential flaw involving WD’s poor drive encryption scheme. Read about it here: