Status quo is already actively moving in a direction of less privacy expectation in public spaces, for example can you be sure that person in front of you is wr

Status quo is already actively moving in a direction of less privacy expectation in public spaces, for example can you be sure that person in front of you is writing a sms message on his phone and not recording you? You can try to fight it, but I can't see how it can be done without inflicting more oppression, so my solution is to allow these new things to serve society instead of adding oppression and banning those things.