Finkelstein - ..."So the laws and social standards created by the ancient Hebrews to which the JWs try to emulate are wrong and inadequate? Shocking, how can this be?"
Bingo.
Of course, there's probably dozens of different ways one can "interpret" Biblical scriptures in a way that actually does real, demonstrable good in addressing the pedo problem...
...but I suspect that doing so (among other things) would have had a cumulatively crippling effect on the Org's more mundane, "real-world" ability to properly function, in addition to the aforementioned doubt cast on its claims of exclusivity.