There will for sure by no flagging by Steemit Inc (I mean, c'mon, Ned doesn't want to play favourites but then he decides to delegate to dMania instead of to a curation project?). And no witness could ever become a top20 witness without the support of huge vote sellers like freedom, so the Steemit oligarchs won't change the system - the only way would be to start a revolution, but historically we know where that would end!