Not what you are looking for? Ask the experts!
Restore Touch ID as an OPTIONAL not MANDATORY way to access Vault on Ios
Previously, you could opt in to Touch ID for the vault. Now, you cannot disable it. This is indeed a significant problem. One example only is that an overzealous law enforcement officer might coerce vault access via fingerprint. They would then have access to all vault content. If a password were used, at a minimum a court order would be required to obtain vault access.
The very word "vault" implies an area of higher security. Just because someone has a key to my house does not mean that they have the key to my safe. I would posit that virtually no one would have a safe key that is the same as their house key. Norton has just in effect done that very thing.