HBD is 'Hive But Disguised', there's no reason to give any special preference to the Hive holders over the HBD holders.
Let's say Alice spent $100 to buy 1000 Hive and Bob spent $100 to buy 100 HBD.
I can't see why Alice should have more 'rights' than Bob.
RE: Request for comments: HBD stabilization DHF proposal