People won't migrate so long as they have to compete with scripters, bots, old heads, whales, plagerizers, dmaninia, and probably about at least a dozen others that hog all the traffic.
Honestly I care less about the money, but I'm posting stuff not getting any attention, and it's not just because I refuse to write a thesis that an every man couldn't relate to for every post.
Allot of people are simply grimy with their vote and many votes probably go to a picture that was either perfectly captured or just simply straight ripped off of someone elses Instagram.