Its a good point and its interesting to follow the development of these tools. I would suggest that there are two separate ways of appreciation - a "vote" = Like and another "upvote" that is as present "Like+reward" - The flagg option likewize split in "Dislike" and "Downvote". This will allow for more detailed feedback from readers and followers. And again - the collection of power to whales is a really counter productive idea.