[Deut28]

Rather odd that this phenomenon had a greater impact on a subset of Jews than other parts of humankind.

[Titus Quinctius Cincinnatus]

Rather odd that this phenomenon had a greater impact on a subset of Jews than other parts of humankind.

Not necessarily. IIRC, genetic change becomes more marked in a smaller interbreeeding population than in a larger one.

[Clioman]

“Rather odd that this phenomenon had a greater impact on a subset of Jews than other parts of humankind.”

I was thinking along the same lines — so that perhaps a corollary of this thesis would be to ask why the Arabs ceased to evolve about 800 years ago...