Of course I know people get HBD rewards but the fact is that most people have a lot more HIVE than HBD and it is a fact that many do not like to convert between currencies, they prefer convenience.
It's not just a case of looking at it logically you also have to take into account human nature.
Yea, I guess it's the fishbowl thing.
Game currency is the ether (water). Its just then which is the fish and which is the bowl.