Earlier quoted context omitted.
"Nobody's going to bother to recreate your fingerprint, when it's much easier to beat you with a wrench ( https://xkcd.com/538/ ) until they get access to your phone." I think this misses the point. Accessing a device using a "cloned finger" (not tremendously difficult) can be done without the target ever knowing it has happened. The wrench technique, less so.
Yes, but is it worth spending the required resources? If the answer is yes, than anyway the 4 digit pin isn't more secure (you can watch people type them and find out the code).
Whyever not? They might have a copy of it lying around. http://www.theguardian.com/technology/2015/sep/23/us-governm...
> Yes, but is it worth spending the required resources?
When it becomes easy - and it will become easy, there's nothing basically hard about printing out some ridged plastic - it will become commonplace. And unlike stolen passwords, an attacker can be fairly sure that you haven't changed your fingers.