could you enforce that though? just drive an older car and/or don't pair your phone to the stereo.
Education campaigns could help, as you say it's the responsibility of the end user here, but I just think tech-gated solutions won't get us far enough, if at all.
We're already in a totalitarian surveillance state tbh, we're talking about what to do with our personal surveillance devices while we operate heavy machinery, most of which is fitted with dashcams as well