Seriously. Every form of entertainment has baked-in political assumptions, and that definitely includes #ttrpg . You might choose not to examine them, but this is an active choice on your part, and you don't get to pretend that your entertainment is "free of politics".
It seems that women were regarded more equally prior to confucianism.
The page for the game says:
Jin's samurai armor and katana are not historically accurate, with his armor based on that of the Sengoku period during the 16th and 17th centuries. According to Chris Zimmerman, one of Sucker Punch's cofounders, samurai armor from the 13th century was "jarring looking" and did not align with players' expectations of what samurai armor would look like.
I'm not super familiar with either the game or Japanese history, but I found this:
https://en.wikipedia.org/wiki/Onna-musha
It seems that women were regarded more equally prior to confucianism.
The page for the game says:
Totally-not-samurai-looking armor:
Yeah I've made peace with what I want from the game, because period-perfect accuracy would be way too jarring to stomach