It was not "kind of similar", it was exactly the same phrase. A phrase that only occurred 26 times and most of which were quoting the original source. As some

It was not "kind of similar", it was exactly the same phrase. A phrase that only occurred 26 times and most of which were quoting the original source. As someone who has written research papers, and read quite a few by colleagues, this struck me as significant because people really do have neat, unique phrases that they like reusing, especially when explaining concepts in their field. But yes, it is still circumstantial at best. And the author acknowledges this, because they weren't going to publish this except as a response to a more recent article.