there are no advantages, and the massive disadvantage of having to try both every time you encounter a new repository or forget which one it is.

It wasn't a charged term and there are not.

such as?

to be fair, I like typing less, and main is shorter than master.

It's only charged if you are a white upper middle class american. The rest of the world understands the difference between a term used in a software version control tool and slavery. The rest of the world also does not change a word on git while simultaneously fostering extremist far right views.

The whole thing makes absolutely no sense whatsoever.