As you select for more variables, the collider relationship between any individual variable pair gets weaker because you can’t select as strongly. So there’s a limit to how many variables this effect can work for at once.
My argument (I think) bypasses this problem because 1. there’s a documented fairly strong assortment on intelligence, 2. I specifically limit the other variable to whichever one they personally particularly value.
As you select for more variables, the collider relationship between any individual variable pair gets weaker because you can’t select as strongly. So there’s a limit to how many variables this effect can work for at once.
My argument (I think) bypasses this problem because 1. there’s a documented fairly strong assortment on intelligence, 2. I specifically limit the other variable to whichever one they personally particularly value.