While this is on the right track, one would point out that these conversations wouldn't be public they would only be visible to government authorities. I think

While this is on the right track, one would point out that these conversations wouldn't be public they would only be visible to government authorities. I think the due process argument is more compelling. Part of preventing abuses and corruption by law enforcement is ensuring they can only surveil people with reasonable suspicion. Yes there are people who should be under surveillance. But it's crucial that this gets approval from the courts to prevent agencies from snooping on people not for law enforcement but to gain leverage and power. Your privacy helps us prevent the next J Edgar Hoover even if you have nothing to hide.