> It's equivalent to a requirement that you keep the plaintext of all your communications.
> It would effectively be compelled written testimony before the fact. Either you keep everything written down or go to jail for not having it.
While I agree with you, that particular argument won't necessarily succeed, considering https://en.wikipedia.org/wiki/Sarbanes%E2%80%93Oxley_Act and similar laws regarding reporting and information retention policies. You don't want the government equating policies to protect user communication as equivalent to destruction of evidence.
> It would effectively be compelled written testimony before the fact. Either you keep everything written down or go to jail for not having it.
While I agree with you, that particular argument won't necessarily succeed, considering https://en.wikipedia.org/wiki/Sarbanes%E2%80%93Oxley_Act and similar laws regarding reporting and information retention policies. You don't want the government equating policies to protect user communication as equivalent to destruction of evidence.