Carving off computer science as a separate realm with less interdisciplinary input was definitely a fork in the road for the history of science.
By the way, if anyone is interested, you can find the list of cybernetics conference attendees here: https://www.asc-cybernetics.org/foundations/history/MacyPeop...
And if anyone is really interested, here's my book, which is coming out in January: https://www.hachettebookgroup.com/titles/benjamin-breen/trip...