AFAIK biometrics are only used to unlock the device’s keychain. So, in other words, it’s no different than using fingerprints to unlock your password manager (via the device’s keychain that has your actual password).
The compression issues are true for 1080p too, any dark scene on Netflix gets some horrible color banding and artifacts.
Ironically, the pirates don’t have that issue as their multi-gig torrents don’t have much compression compared to the some-hundred megs stream provided by Netflix
AFAIK biometrics are only used to unlock the device’s keychain. So, in other words, it’s no different than using fingerprints to unlock your password manager (via the device’s keychain that has your actual password).