The secret to great presentation design is...

The bar has been put higher and higher over the past years:
  • Everyone is now able to put text and charts in PowerPoint and project them on a screen
  • (Almost) everyone has discovered where to get beautiful page-filling images
  • Many people have figured out how to clean up a messy data chart
  • More and more people are learning to apply professional typography (PowerPoint gets a bit closer to Illustrator with every release) and coherent color schemes
What is left that is hard to do is the "art part". It can never be automated. Sequencing the right story, knowing what to cut, what to keep in, picking the right analogies, selecting the right images, picking the exact right data visualization option...