@cazabon Indeed, these buzzwords are just 21 Century versions of the 90s Clipper chip arguments.
That being said, "encryption is math" is a weak argument in the court; of course a copyrighted song in flac form is also just math, but that does not prevent it from being legislated. There are much better arguments for E2EE, both or practical and foundational character; the cryptography stack exchange has an extensive list of questions related to these issues.