Limited 1st Amendment

What if the 1st Amendment was more limited?

Let's say that it establishes religious tolerance, but leaves open the possibility of the state supporting Christianity (you know the founding fathers say they were Christian and I'm not doubting that)

Instead of free speech, it guarantees the freedom to "vocalize" in public and express any opinion in private while explicitly allowing Congress and municipality control over printed public material because "sounds are harder to copy than written words."

Obviously that would reach a court challenge when digital recording becomes available, which according to Wikipedia happened in 1943. One side will say "well of course we can regulate public audio recordings because you can copy it" and the others will say "no, the 1st gives freedom to vocalize and there isn't a difference between publically saying your opinion and recording it followed by playing it." Any other complications on the development of history?
 
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