I think the only reason this is four and not five stars is that some of what she says is familiar to those of us  who frequent the RSS feed of Maintenance Phase.
It's still a wonderful book filled mostly with information that people who don't want to hear it won't listen to, but that will hopefully empower those who do care—about themselves and others—to shut down antifat bias and give it precisely the credence it deserves.
It was weird to listen to Gordon talk without Hobbes responding, which is the flipside of her first book, where she didn't read it and I kept thinking "this sounds a lot like Aubrey Gordon, I wonder if she's heard of this...oh".