I didn’t mean to suggest this question has a valid answer, but rather to point out that the phrasing is ambiguous.
C.f. Cosma Shalizi here
The quote I gave above from the book says:
If you have an identical twin who divorces, your chances of divorce increase sixfold, whereas a divorced fraternal twin only increases your chances of divorce twofold.
So I think the criticism from the article you linked doesn’t apply.
I didn’t mean to suggest this question has a valid answer, but rather to point out that the phrasing is ambiguous.
The quote I gave above from the book says:
So I think the criticism from the article you linked doesn’t apply.