Crypto is never going to solve the issue of data-in-transit will always have a chance to be intercepted, even if it’s encrypted.
Crypto doesn’t magically make all the internet infrastructure your property. It’s still bits passing through routers and switches that none of us actually have control over.
I think crypto is held back by it’s insistence that it traverses other people’s property and relies on other people’s computations/CPU cycles to exist as a good thing, and not a bad thing. Just personal opinion, anyway.
There was never anything crypto couldn’t do that a database couldn’t reasonably do as well, with the right configs.