[quotemstr]

The problem is defining "privacy" though, isn't it? What, specifically, would the amendment require or prohibit under the banner of "privacy"? How could this definition, if enshrined into nearly immutable law, be modified to account for a changing technological environment? How do you prevent such an amendment from suffering from the fate of the US second amendment, which in many places is honored mostly in the breach?

[xxpor]

The Germans have a completely different legal system that isn't based on court decided precedent, so the comparison doesn't make any sense.