This has not been well thought out for part of the world.
https://www.pri.org/stories/2012-08-13/expand-job-opportunit...
https://www.pri.org/stories/2012-08-13/expand-job-opportunit...
(I say "defeat". Schiller just said the chances of a false positive were higher with twins than the 1/1,000,000 base rate [compared with his claim of 1/50,000 for TouchID])