Semantics. E2E is necessary against a wide array of threat models and is a fundamental part of what can be considered 'pretty good privacy' by 2021 standards (p

Semantics. E2E is necessary against a wide array of threat models and is a fundamental part of what can be considered 'pretty good privacy' by 2021 standards (pun intended). If a government, possessing a working set of quantum computers, chose to ban post-quantum crypto algos only, by the same semantics it could be argued that it would not be a general "encryption ban" either.