The inventors of the game were sexist.

The mom listened!

"Guess Who’s sexist? Classic board game’s gender bias leaves six-year-old fuming" | The Independent | The Independent

https://www.independent.co.uk/news/uk/home-news/guess-who-s-sexist-classic-board-game-s-gender-bias-leaves-sixyearold-fuming-8324067.html