The document outlines five compelling reasons for managing projects on SharePoint, emphasizing improved interfaces, integration with MS Project, robust reporting capabilities, enhanced collaboration, and productivity features. It highlights the challenges current project management practices face, such as reliance on spreadsheets and emails for communication and tracking, and argues that transitioning to SharePoint can streamline these processes. The speaker, Gina Montgomery, advocates for adopting SharePoint as the next step in the project management journey for organizations still using outdated methods.