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Correct and the answer is to decentralize curation itself. The owner of the Steem Power only wants the profits, they don't have to do the human computation if they are willing to accept half the profit.

Content is judged by votes, but 100 minnow votes will not be worth the same as one whale vote.

And you can build SP by writing good material. Which also qualifies you as a quality voter. I think the curation rewards system adds nothing but we will see whether I am right and this becomes commonly agreed.