It's quite simple actually. This gives more reward than Facebook. Your Time and Energy is worth more. Something that gives you so much more value will eventually be adopted by the mainstream masses. Perhaps not this Blockchain but Blockchains similar to this.
And the best part is that the market is so huge that it will be impossible to saturate it. The output of value will be huge. And instead of having 1 central place of Power we can have thousands of places that has power and then trickle down that wealth to as many as possible.