It reads like a children's book but it's not without merit. The message is important, applicable, and—what many negative reviews fail to point out—clearly illustrated. It's short, simple, fully abstracts the mountains of research that these insights were drawn from, and works well for the desired audience. The desired audience being basically every person who has a job or who is considering having a job but is pressed for time and unlikely to pick up or finish a management book written in any other format.