I have been looking around like a year ago .... then I came up with the same conclusion as yours above.
Looks like its still the same.
Its not easy to build these things and to find a decent model for rewarding and voting. Hive is on of the rarest platform that comes close to this.
Thank you for your thoughts. User @nonsowrites also published an interesting video on 3speak recently on the same theme and I thought you may be interested.