Google is US focused so they presumably still deal with non GSM networks and the possibility of running a fingerprint without a gsm standard SIM. * I.e. there

Google is US focused so they presumably still deal with non GSM networks and the possibility of running a fingerprint without a gsm standard SIM. * I.e. there are a lot of issues for Google generalizing encryption via some user provided sim as datails come up. So maybe he is referring to an entirely different crypto module.