All good points. Personally I think no one took BTC seriously to try and destroy. Not to mention that the governments are always focused on the many fires burning in their own houses to be able to spend a lot of time and resources on shutting down crypto.
Health Care would absolutely be a great place, particularly in insurance which we're starting to see with Polkacover, BMI and others... BUT here I think we will still need to have some kind of Cost Controls. That's long been the Achilles heel of the American health system, that the costs of care are just outrageous in comparison to the rest of the world. It'd be interesting to see how a blockchain based solution could also bring down costs perhaps by eliminating certain administrative costs and inefficiencies.
RE: Saving the Savers. Why I believe Blockchain and DeFi can be a real solution to one of our greatest structural economic problems.