That's untrue. If it was true, Facebook wouldn't have bought out all it's competitors i.e. twitter, instagram and publicly listed.
Look at MySpace, fell to the wayside due to it's inability to expand and capture further markets. If you want to grow hive you need to grow its use and increase it's utilisation.
You want Hive to be the central coin that more communities expand off. This inturn drives more people to hive in order to access their communities. In turn increasing the demand of Hive.
This video is spot on!
If communities have their own coin like that of Leo, does it help the price of hive when people only purchase hive to be able to buy Leo and power up Leo instead of hive?