"Instead of doing what’s easy for you, do what’s easy for your reader."

It is easier for the author to convert the PowerPoint into a PDF, but what is easier for the reader is if the information was in HTML/web format. The author should package the information so that it enters our heads as easily as possible.

This is why user-centered interfaces are better than programmer-centered interfaces. The point is to make it easier for the user, not easier for the programmer.