It does indeed, yet if the review makes it clear that the text of a book is not at fault, that the crappy print on demand edition is the issue, it should not matter too much. It would even give them arguments to ask a few pointed questions to their publishers.
And aggregated over all the books that use print on demand, the editors will notice.
They don’t have a publisher, that’s the point. Only wealthy authors supported by the proper publishing houses can afford to have 50,000 books printed offset.
And aggregated over all the books that use print on demand, the editors will notice.