Project managers serve as the liaison between the designer and the client, but sometimes instead of serving as the liaison they can be a barrier between the designer and the client. When the designer is fed second-hand information through the project manager, this can result in misinterpretation and miscommunication.
A good project manager knows to bring both the client and the designer together in one room, and not be the gateway of information. This article is just a rant about the issues someone is having with a particular project manager.