It's all subjective.
Another one you could add is piling on. In the end the result is the same, massive payouts on a few trending posts and favored authors and the bulk of the user base fighting for scraps. All I can do at this point is make the scraps a little bigger.
You need to define things. You say it's for X reason, well what does X mean? Define it, or else it doesn't really mean anything does it? You can just make it "subjectively" mean anything you want.