Here's the classic Dynabook paper from when Alan Kay was at PARC in 1972: http://www.vpri.org/pdf/hc_pers_comp_for_children.pdf
The nuances, the concepts he chooses to elucidate upon and explore in-depth, the very nature of the topic and the reasoning behind his choosing to devote his life to it, is so markedly different than "move fast break things" in concept and practice.
it is a key part of what makes me feel like a stranger in a strange land in the tech world these days.