[selfhoster11]

Presumably, any number that prefer a terminal based workflow, or have the Vi key scheme burned into muscle memory. Or those that prefer an ultra-minimalist text editor for writing.

Just a decade ago, it was almost a meme that the Emacs and Vi factions fought over which editor is better. I imagine that those that truly bought into the Vi ecosystem/fandom use it in preference to other available options.

[kQq9oHeAz6wLLS]

You're speaking to a veteran of said editor wars (vi won, naturally) and I still think the number of folks you describe is small these days. I imagine most have switched to a more GUI-friendly editor.

[trn]

I dogfood OpenVi and use it for OpenVi development, however, 99% of my normal programming workflow is (terminal-based) NeoVim.

The other 1% is Eclipse or VSCode ... and I have VSCode setup to use the embedding functionality of NeoVim.