While nothing is perfect, newer security models do have strong theoretical security guarantees (barring implementation problems). Significantly strong enough th

While nothing is perfect, newer security models do have strong theoretical security guarantees (barring implementation problems). Significantly strong enough that it will certainly stop random guy-who-is-good-with-computers. Which is the actual threat model for 99.99% of the population. Nation states have significantly more and different attack options available (eg unencrypted cloud backups, rubber stamped warrants, and old-fashioned rubber-hose attacks).