I don't see that there is a big problem with the reading of a presentation, so long as you do it in an interesting and compelling fashion. After all, the President of the United States does it all the time. The key is to not make it sound like you are reading. A radio career is often an excellent source of experience for reading words in public. Depending on the presenter's experience, I would not recommend for or against reading from a prepared text. It all depends on what you are good at and what you are comfortable with. I do both writing and speaking as part of my profession, although I feel I am a better writer. Thus, I always read from a prepared text that is rigidly timed so I know exactly where I am at all times. My experience as a radio host enables me to communicate the text in an interesting fashion, utilizing PowerPoint slides to illustrate. I like to use printed words on my slides where necessary, but limit the words to only what is absolutely essential. Sometimes, printing details such as recording dates, locations, or record label info on a slide saves speaking time. I agree one shouldn't duplicate what is printed on the slides with your spoken text. It should illuminate what you are saying.