Then imagine an Obama supporter counters with apiechart saying that 99.99% of all people who have looked into the matter have determined that President Obama is a US citizen.
And in terms of predictive analysis, apiechart of where someone goes most frequently, or who they tweet to, is simple data crunching that a human analyst could do, albeit with more time and effort.
The whole idea was that the speaker would talk for a while, and then occasionally show a slide that illustrated a point with a picture or a striking image, or made a set of numbers clear with a bar graph or apiechart.