I would guess because nano is meant to be a replacement for pico. Much to my surprise, I recently found nano was symlinked to pico on macOS. It'd been niggling

I would guess because nano is meant to be a replacement for pico. Much to my surprise, I recently found nano was symlinked to pico on macOS. It'd been niggling at me for a while, I'd just assumed I'd been given an older version of nano. Guess I was kind of right.