Ok, so it’s hard. Nobody is entitled to that being easy in the way that they are to privacy.
Why do you think you can control what I do with data you send to me? Don't send me data I'd you don't want me to have it.
Are you really interested in rehashing this conversation? You got plenty of answers last time¹, I doubt you'll get new ones
Legal protections, like the GDPR.
Don’t reflect light in my direction if you don’t want me having pictures of you!