I’ll close with a common analogy. I could buy the most expensive security system that I can afford to protect my home, but I would be putting it in KNOWING that it can be beaten and bypassed by an experienced “professional” burglar. However, that level of burglar couldn’t care less about what’s in my house, so I really don’t have to worry very much about them. I’m concerned with petty criminals who likely aren’t going to be savvy enough to get around such a system. Such a system is completely appropriate for the people it’s designed and built to ward off.
As far as I am concerned, there is no difference between mobile device biometrics and home security. They are both created to be easy for the owner to use so that they don’t just disable and abandon them, and to thwart a certain level of criminal or potential hacker. There is virtually no security system that is completely unbeatable, at least not until we get to quantum computing