I agree that changes will be necessary but witnesses have such short memories that the past beliefs become irrelevant as soon as they step out of the KH following a "new light" WT study.
Dozy, maybe things are different where you are but here our congregations are contracting and there are fewer elders and ministerial servants. Youngsters are leaving in droves. We've recently had a batch leave school and not one is pioneering. The only growth area is the foreign language field.