The members own it mate. Not these squatters holding debentures. That's the issue. They are not acting in the interests of their members; they are undemocratically there due to a historical anomaly.
The two directors, who were the ones democratically elected by the owners (i.e. HBG members), supported the review and were subsequently removed from the HBG board.
We really need to stop calling these debenture holders as owners. They are not. They are squatters who need eviction. Their decisions are not those of an owner (or on behalf of owners) - they are self-interested parties.