Claims get challenged.
Yes, they do. In the case of the WT though, they buy themselves some (limited) relief by a policy of no tolerance; labeling any organizational member who does so, an apostate.
What might be useful though, is to have this information readily available for any/all potential Bible Studies. Make the study conductor defend the claim as a condition for continuing the study...
It is, after all, THE central doctrine of the Jehovah's Witness religion. Every other crazy thing rests on this crazy premise.
It would be nice if say some legal precedence get established that opens them up for some legal retribution for their fanatical religious tribunals where they have the upper hand and the members suffer.
At the least, it might mean that no MINOR person could enter into such an agreement, since it is being wielded as a binding contract. Can you imagine the numbers, the trends, if no individual could be baptized before 18?!
Talk about hastening their demise. Stick a fork in 'em.