>>37065899It's unironically because the Japanese are "sexist". Your dad is out there working and your mom is just a housewife because that's all women are good for. Think about all we know about dads in the Pokemon world
>RSE - your dad is a gym leaderbattle while your mom just sits at home>DPPt - Barry's dad is an amazing trainer while Barry's mom just sits at home>BW - Bianca's dad is completely against her going in an adventure because he thinks she's dumb>SM/USUM - you move abroad with your mom, but the car in your house is described as your dad's -possible recent divorce (hypothesis)