Before starting to doubt one's own self-worth based on how much one is making, let us all remember that some great authors, painters and innovators had to first die before the world recognized their brilliance - decades or centuries later.

Assuming one is a genius, he could be posting something so profound that few are able to process it and therefore have his article "tank" in terms of rewards due to being out of phase with the audience. But that's to be expected.