That's the problem, BTC has to implement over complex, over engineered solutions because they can not change inner block chain technology.
PoW is not the future no matter if segregate witness gives more time. This means that sooner or later BTC will need to change again or another technology will supersede
The best strategy is to wait to the real solution and implement that, (as I said hyperledger is a candidate) meanwhile we prepare the environment and framework for that day
I understand that investors won't have happy days short term, but it's the best way to use scarce resources