Fingerprints can be hacked
My favorite photograph of a fingerprint is when the Chaos Computer Club reproduced the German Foreign ministers fingerprint from a photo. So much for military grade security.https://www.dw.com/en/german-defense-minister-von-der-leyens...-The core problems with biometrics are that:1) Not revokable (unlike compromised credentials)2) Not a secret3) Usually trivial to reproduce and spoof (even "liveliness" tests)