The obvious pool of people who don't currently use VCS's is everybody who mostly deals with files that aren't plain text. Using git to collaborate on Photoshop

The obvious pool of people who don't currently use VCS's is everybody who mostly deals with files that aren't plain text. Using git to collaborate on Photoshop documents, Word docs, Jupyter notebooks, videos, or any other non-plain-text format is a frustrating nightmare, and a VCS solution that provided revision tracking and collaboration for all those filetypes would open up a new set of users.