Well, this topic strayed far of course!
A pity. There had been some very interesting opinions on the subject proper, some food for thought.
In "normal" societies, such as mine, but also on the other side of the Atlantic, I dare say, the rules reflect their idiosyncrasy.
The rules on street photography are based on the society, not on the wishes of some imaginary despots creating laws to keep their subjects on a short leash.
If we would disagree with the actual norms, we would change them. Period. That doesn't seem to be the case. Other societies, other models.
If you point your feet to a statue of Buddha, in some societies it could be considered offensive.
If you are in Asia, do as the Asians do. If in Europe , do as the Europeans do.
Just MHO