I’m not sure why. My brother played as male and when he went to change the difficulty it was automatically on normal, leading me to bumume that it was on “easy” simply because I played as a female. It might have been a different factor though I doubt it considering I changed it at the beginning of the game before I could do anything significant for it to choose what skill level I am.

And as for females having it easier than males on the game, there’s also a perk so you can sweet talk women (lady killer), so idk.