DiAngelos book focuses on painting a monoculture out of white people with unilateral experiences. It also turns race into what closely mimicks a religion and amplifies the concept.
Intersectionality acknowledges race as a component of struggle but more aptly paints a picture of class issues. It's a far healthier way to look at the world.
I found "White Fragility" provided an interesting insight into a blind spot in my view of the world but I don't see how her abusive-sounding corporate seminars are supposed to help anything. Even as she described them in the book they sounded disastrous.
More flamebait, you should stop. The GOP already used their "groomer panic" card on gay people and failed, so it falls pretty flat today. Some people are trans, get over it.