yeah, i think going from "oracles with built-in rug pull" over "reputation based oracles" to "oracles that provable cannot lie" (if this is ever possible since we want to map events in meat space to cyber space) is the way

bitcoin

Lightning Prediction Market MVP - delphi.market

I would assume the coolest thing would be a choose-your-oracle protocol where there's a market for Oracle services where good Oracles grow a reputation and collect fees out of keeping honest to them. 

I've thought of similar schemes to decentralize arbitration in craiglist-like protocols. You have a market for arbiters, both sides choose one for each trade, arbiter grows a reputation by being professional and earns a fee for it.