Even worse: Other manufacturers will jump ship and this sort of device becomes omnipresent on smartphones. Probably, apps will get access to capture raw prints

Even worse: Other manufacturers will jump ship and this sort of device becomes omnipresent on smartphones. Probably, apps will get access to capture raw prints themselves at some time. Someone will start to store real and unhashed fp's in their database. As happening frequently with databases containing CC numbers (and even CC pins), that DB will eventually get copied and accessible on the net. Buying one's fp data will become possible at some point.