Those techniques still haven't been shown to work in practice because CCC was only ago to unlock the device using a carefully made high quality print, not one l

Those techniques still haven't been shown to work in practice because CCC was only ago to unlock the device using a carefully made high quality print, not one lifted in an ecologically valid situation. What matters is the rate at which copies of real prints are rejected, not the fact that one carefully made print can be made to work.