So JWs are supposed to follow the advice of the GB to the letter at pain of disfellowshipping... but if/when that advice fails they can hold their hands up and say "hey, we're just imperfect men!".
Sounds legit.
The banning of blood transfusions, abysmal child protection record, no career, no university, shifting dates, removing old publications from the online library... this is a house of cards waiting to fall.