Most of thing can only be done/change at the system level. Regulating by the participants in the system may not be possible.
Current Steemit system basically put all power under the big whales hands. Dolphines or Minnows are like mid-low rank staffz of a company, they have to use their own ways to survivw and get "Paid" so to said.
Teams / groups / voting rings arw just naturally born under the current eco-system. This is how the lower ranks guys struggle to move up the chain.
So unless the system changes, hence, the rules of game change, the way Steemians act in Steem won't change so much.
Having some kind of police to bar all those "bad guys", it will only drives away majority of Steemians and what remain here will be the whales.