> ... they'll be anywhere near abuse-proof, but at least I would expect to see an attempt.

All police-like institutions will likely have full access right from the beginning, because of child pornography, terror or other "serious crimes".

That will be softened and weakened by the time until someone finds out this system was misused for stalking some VIP or because police wanted to catch a guy who had 10 grams of weed.

It's all happened before, it will happen again.