There's a law. Metcalfe's law. It states that "the bigger a network gets, the more valuable it is".......more or less.
Metcalfe's law states that the value of a telecommunications network is proportional to the square of the number of connected users of the system (n2). (source : wiki)
If there was ever a selfish reason to promote the steemit blockchain, that's it.
You reap the benefits. SBD through the roof!!!