When I read the quoted passage, I thought to myself, "why is that information relevant to a review?" Only in a few occasions could I ever see mentioning anything that happens "behind the curtain," such as when I have a project completed and published or when it might be worth sharing with others. I don't discuss in public (and rarely in private) my dealings with authors, publicists, and others in the industry; it is irrelevant to the reviews and commentaries that I do write. The few times that I have broken this resolution generally have led to problems (ironically, such as the inference to my personal feelings regarding a few people). Therefore, it just makes sense, for me at least, to keep mum on what transpires "behind the curtain" and write about things that readers should be privy to.
That being said, form does matter in events such as this. It is a bit discourteous to call out in public, even in passing, vendors who may have policies different from that which the reviewer might prefer. But I can't say that I haven't been discourteous in the past; far from it, in fact. But (and this is in reference to some comments that I've seen while reading the links), it is not "PC" (whatever that means in this day and age of disparate things being labeled such) to note that sometimes it's best to keep one's personal feelings to oneself. After all, if I went around and criticized everyone for even the smallest faults I perceived in them, not much good would be accomplished, then or later on. That last is a lesson I have learned the hard way over the years. Sometimes, it is just best to ignore that man behind the curtain, as the Wizard of Oz once said.