I suspect that the GB is divided over whether they want to significantly downgrade the practice of shunning or whether they just want to tinker with the wording and keep shunning practice in place as far as possible.
AMIII said in the Norway video that we will never change our policy on disfellowshipping. A year and a half later changes are being made and AMII has "gone". Probably what all the fuss was about.
George