Exactly this.
Just because you wrote your documentation a certain way, doesn’t automatically mean that you feel a certain way about any particular group, or that your users are primarily a certain gender. It may just be writing what pronoun you are most familiar with.
In this particular case, we can see that the author didn’t exactly make the best case for himself.
However, there was never a problem to begin with until the person that requested the change also accused the the author of assuming that the user/dev of the OS is male.
If that little bit of accusation would have been left out, and they just put a note like “grammatical correction” it may have just been accepted and moved on. Instead they asked for a change while accusing the author of feeling a certain way.
Just a note for those interested in the local play aspect of it like I was.
You don’t need to create an account to play the game locally.
You can just exit out of the first menu and play the scenarios that are available.