The provision of education at scale with finite resources almost inevitably means there will be an abundance of common approaches that aim to provide best-fit solutions for subject matter, teachers and learners. This paper considers differences in the characteristics of subject matter across academic disciplines, and how those differences affect not only on how subjects are best taught and assessed, but also the nature of those who are drawn to different fields, either as students or teachers. For the growing number of distance or online learners (purely, or