I've seen people actively go into their Git configs, to rename the default branch from `main` to `master`.
Makes sense if the source forge that you push to acts funny with anything other than `main`, but I've seen some people use nothing but GitHub, and GitHub doesn't care.
Edit: I have no idea why Git initializes to `main` by default on my laptop. I don't recall having changed that, but I could have. I just don't remember.