What stops you from doing the same, then taking out the hires camera you carry around in your pocket to do the verification from the booth? This concern gets b

What stops you from doing the same, then taking out the hires camera you carry around in your pocket to do the verification from the booth? This concern gets brought up every-time remote voting comes up, ignoring the fact we already have remote voting (mail in ballots) and ignoring the fact it's not really changing anything. You can already buy the vote (in the US) legally through massive campaign spending.