You can find my review of the first book here:
https://www.edenfantasys.com/sex-toy-reviews/media/fifty-shades-of-incorrect

Fifty Shades Darker is, if possible, even more insulting than the first book in the series. It has all the same problems: kinkphobia, confusion of kink with abuse, intolerance, and bad writing, but they are escalated. In this book, Christian and Ana decide to shift their relationship from strictly 24/7 Master/slave to something more mutual and with an attempt at more communication. However, in an attempt to continue to make things overly dramatic. Christan and Ana, instead of going through sexual drama, tackle the drama of Chistian's past, including many of his ex-submissives and childhood traumas.

This would be a fine addition to the story if it wasn't so kinkphobic-ly presented. At every turn, Ana continues to doubt and look down upon Christian's "former lifestyle" and does not once, ever attempt to seriously open her mind or understand people's different sexual tastes. It's utterly insulting how ignorant and bigoted James makes this character. If you're going to write a novel about BDSM and Kink, it's fine to make a character innocent and skeptical, but it's NOT fine to make her a fucking bitch about it, neither is it acceptable to make Christian so ashamed of his past or to blame his sexual tastes on an adolescent theoretically "pedophilic" relationship.

I didn't expect this book to be a work of art after the first one. I expected bad writing. I expected drama. I expected insane, roll-my-eyes plot twists. But I did NOT expect and do NOT welcome unbridled, unparalleled, blatant kinkphobia and bigotry and quite frankly, I'm outraged that an author that made such a breakthrough in portraying kink and BDSM to the dominant society has sunk to this in their second book. I'm simply angry that for years people will now have to fight against the assumptions that this book sprays out into the world.