I wouldn't call it dark, but I did fine it cringey. She said "Chinese," not "Asian," and if she didn't know the redhead she assumed his/her nationality and religion. Additionally, that description left only her child as "white" for some reason.
She seemed way too aware of the races and ethnicities of the occupants of her pool, when there were actually just 4 CHILDREN there. And she seemed to want a prize for her inclusiveness. Her statement that "this is the way it should be" sounded like virtue signaling. JMO.