Earlier quoted context omitted.
> I've got nothing to hide. Some retorts for people swayed by that argument: "Can we put a camera in your bathroom?" "Let's send your mom all your text messages." "Ain't nothin' in my pockets, but I'd rather you didn't check." "Shall we live-stream your next doctor's appointment?" "May I watch you enter your PIN at the ATM?" "How about you post your credit card number on reddit?" "Care to read your high-school diary…
> Some retorts for people swayed by that argument Do any of these actually prompt someone to reconsider their position? They strike me as more of argument through being annoying than a good-faith attempt to connect with the other side.
If you're talking directly to one person and trying to convince them, without an audience, there are likely different tactics that might work, but even then, some of the same approach might help, just couched more politely. "You don't actually mean that; do you want a camera in your bedroom with a direct feed to the police? What do you actually mean, here? What are you trying to solve?"
Option A: "Yes!", which tells you you're probably talking to someone who cares more about not admitting they're wrong than thinking about what they're saying.
Option B: "Well, no, but...", and now you're having a discussion.
Generally speaking, people who say things like "if you have nothing to hide" either (charitably) haven't thought about it very much and are vaguely wanting to be "strict on crime" without thought for the consequences because they can't imagine it affecting them, or (uncharitably) have attitudes about what they consider "shameful" and they really mean "you shouldn't do things that I think you should feel shame about".