Reading different project management related blogs I’ve come across Visiting Gantt Again. While this post by Glen Alleman gives valuable insight on underpinnings of Gantt chart, it also describes a common problem with relation between the form and the meaning, between the tool and the goal. Gantt chart is only a tool and what goals are achieved with the tool is up to project manager. After all you can run projects without Gantt charts and having a good Gantt chart does not necessarily mean that project will succeed. But it can be a valuable tool in skillful hands.
If you are interested in more information and opinions about Gantt charts check out this series of post from Reforming Project Management: