PowerPoint is in discussion. It works well as a slide projector. Then they can all see what they are supposed to see. Not good if they see what they are supposed to hear: Slides look like notes for somebody’s speech. Like this:
If slides look like this: trash them.
Many just read off their notes. More slowly than people could read themselves. Because reading is faster than hearing. You pray for the next slide. Which ideally is the last one. Notes are for the pocket. Only in case of need you pull them out. Never show them to anybody. And for sure: Don´t show them to everybody. Slides which look like notes: trash them.
Instead: make eyes like that.