I just read this article by Brooke Obie on Shadow and Act that was posted on December 14, 2018. I didn’t post it here because it’s really long, but if you are wondering what the Green Book controversy is about, you MUST read it.
https://shadowandact.com/the-real-donald-shirley-green-book-hollywood-swallowed-whole
I will also link to the article on my original Green Book movie post.