Remember we are still in beta. Just sayin. 😎
My feeling is that without the design of a decentralized annonymous CAPCHA, to counter counterfeit steem, the battle of the bots will be lost.
My thoughts on the subject were covered in a recent blog post of mine...
https://steemit.com/steem-network/@novacadian/where-is-the-trust-in-proof-of-brain-mining