[mjevans]

I believe the logical reasoning to be: Powerpoint presentations facilitate filling in the blanks without prompting careful weight and consideration. As a tool it is more likely to influence poor thought and communications structure and muddle high level intake and review of data.

A more correct communications format might be the traditional longer-form report. A main document frames facts, possibly with graphs and other features used to reach the conclusions and explain why different points are salient. An executive summary preface presents the conclusions of skilled individuals and their core reasoning, which lets non-experts reference the larger report for a better understanding and/or ask questions if they are still unclear.