Even if you account for the obvious bias of Misty being a defined main character, these three are as generic and boring as characters of the day come, so I'm really not surprised not much is made of them. I know the Hoenn cutaway episodes do a bit more with them but I admit I haven't seen the ones in question.
>>45297556>When you realize each of their hair is a different length and Misty could keep her look on the grounds of being the shortest>When the three sisters could stand in the beauty NPC trainers while Misty is the distinct Leader at the end of the dayI do however get a little kick of out of the thought of this.