I think V left out the point of scope creep. Every minute spent thinking / talking about this proposal is a minute that could have been spent getting PoS / Sharding shipped faster. As someone building a stablecoin protocol I am reasonably confident centralized oracles like Coinbase, oracle platforms like Chainlink (which allow medianizing), and DEXs with moving averages will fill this gap.
This is how we’re thinking about it for Reflexer / MetaCoin: