Biometrics are more taken than asked for is my theory.
retnal scanning, face scanning, all of it is as old as computer science. When has permission ever been given?
Discord has been in the news from the beginning about research on the methods.
people just don't care since they just want their apps.
shiny new smelling apps any app.... ..
then, people are taught that as long as it's a private sector endeavor it must be good for you.