No, but sometimes they can be rocket science as Edward Tufte shows in "PowerPoint Does Rocket Science--and Better Techniques for Technical Reports."
Tufte studied NASA's PowerPoint-fueled discussions as engineers struggled to assess the damage, if any, space shuttle Columbia sustained during a 2003 liftoff when a small piece of foam insulation broke off, striking the orbiter's left wing. We all know how that story turned out.
Thankfully I'm called to deliver presentations with ideas, not lives, hanging in the balance. Still, telling a story clearly, concisely and powerfully never hurts.
