PUBLISHING: To DRM or not to DRM, is that really the question?

I found that many authors, especially the self-publishing authors, are confused by Digital Rights Management, thinking that DRM is necessary in order to prevent your work from being pirated.
They couldn’t be more wrong.
Let’s start with putting Digital Right Management into laymen’s terms.
Digital Rights Management is software added to intellectual property in order to limit the user in sharing the property.
Well, that sounds fine, doesn’t it? When the buyer of your e-book downloads the file...