You think the masses can be educated about public key cryptography (and operational security around private keys) because they can learn to tweet and hail an Uber?
Protecting the secrets words for a crypto wallet is pretty much the same thing as protecting the strong password for a password manager. If you lose that, then you're out of luck, and those are very popular.
You could also delegate trust in several places in the chain to trusted third parties if you feel the need, that could re-enable access, or shift assets into a new wallet.