Which grammar rule changed since Shakespeare's time? The reason students can still read and understand Shakespeare's works is that the grammar remains the same. Congratulations, you owned yourself.
I am. The billions of English speakers in the third world overwhelmingly reject western degeneracy and cultural imperialism. Nobody's buying what you're selling.
It has to do with both. In consensus English grammar, your pronoun is assigned to your per your sex. Billions speak English this way and they will not change because a handful of sexual degenerates tell them to. This is not up for debate.
The mod does what it's supposed to by removing the nonsensical concept of personal pronouns that doesn't objectively exist in the real world. A slightly more involved mod would rename body types A and B to male and female and set the appropriate pronouns accordingly. I'll post that, too, when it comes out.