Warren, here is a summary:
https://blogs.scientificamerican.com/tetrapod-zoology/the-birds-are-not-dinosaurs-movement/
While some details of maniraptoran phylogenies may prove incorrect, the “birds are not theropods” movement is based on erroneous argumentation and fails to account for the data as well as the theropod hypothesis does.
https://blogs.scientificamerican.com/tetrapod-zoology/the-birds-are-not-dinosaurs-movement/
While some details of maniraptoran phylogenies may prove incorrect, the “birds are not theropods” movement is based on erroneous argumentation and fails to account for the data as well as the theropod hypothesis does.