Most (any?) smart contract platforms can theoretically bake in a concept of proxy upgrading or even decentralized governance over triggering the proxy into an upgraded contract. Sure it's complex now, but this is still very very new tech and those problems can easily be built upon and abstracted away.
Yes, 100%. It’s one reason why I mentioned Tezos: it has upgradability and upgrade governance built in from day one, which — if nothing else — I think is an interesting design point.
