Because it makes a direct line to a young person to be creative by drawing from personal experience to make a story or a feeling, and do it without restraints of clarity or direction. They can describe a feeling without trying so hard to follow grammar rules and focus on making it sound good.
PowerPoint can insert the slide number <span>on your slides automatically to indicate where the slide is positioned within the presentation. Leaving this also as a true statement. </span>
You want to touch on the emotional side, to try and hook the audience, then come back with facts to show the real happenings. With that will come pathos.