Yes I agree, but it doesn't take much to reduce a zealous jw to a lukewarm one... changed of personal circumstances, unkindness from other jws and boom. Suddenly the former zealous one realises how people get treated when they're not in vogue. From there it's a slippery slope.
I really think the gb are so terrified of apostates that they are shooting themselves in the foot when it comes to how they treat the flock