This is all to look good. The E and MS have more personnal investement in this cult and therefore the most to loose. It is easier to apply pressure to this group. It also is made up of a number of individuals some of whom are elderly and infirm and for whom 30 hours is still a big ask. They are likely to feel the most pressure.
On the annual report there will be much talk of willing spirit and Jehovah's blessing when in fact it is coercion and control. In the past there was much emphasis on personal commitment and being moved by the spirit to do more. This has all gone if it was ever there in the first place. If appointed men feel guilty about not pioneering and step down this may create other issues since they have trouble getting men to take on the responsibility. This could be an own goal for the society.