@bleeptrack @Bobo_PK It's not only faces but also screens: Taking a picture it can be easy to miss the laptop having some private data shown or some hacking going on.
At times it makes me feel anxious seeing the rules ignored. I fear witnessing angry reactions and conflicts. Especially when people aren't approaching photographers nicely but overreact.
I still like the rules because otherwise there probably would be much more filming / taking pictures being way harder to get around.