Earlier quoted context omitted.
Going by the bsky thread posted elsewhere, he's using Kindle Direct Publishing, so he is getting them from his publisher, Amazon. And the books he returned were author copies, sold to him at print cost. https://kdp.amazon.com/en_US/help/topic/G7BBN68RYX5UMDZF
Then why did he lay this trap? Again, this wasn't an accidental discovery, he knew or suspected he could get this publicity by going to war against his "publisher". I'll be honest, everything about this screams "bad faith" to me. Amazon didn't do anything that any other company wouldn't have done. Arguably-slightly-flawed-but-still-fine returned junk goes on the shelves of every store in the world. This is the only g…
He clearly didn't think it was "still fine" to be sold as "new".