I do plan to experiment with some of the exercises, but since I have not yet I can’t relate how useful they are.
The writing style is a bit dry and bland compared to books I have read discussing a similar subject.
Some of the conclusions could spark interesting debate, for example the suggestion that groups work best if everyone looks alike. Is this human nature and something useful to know, or a cultural bias that could be harmful to anyone who is “different?” Even if research suggests people behave in certain ways, it is worth thinking about the implications before accepting it as the way things have to be.