This is definitely the most reasonable response in this thread.
149 karma · joined January 29, 2019
It's my understanding that these methods (TouchID, FaceID) don't actually store your thumb prints or images of your face rather they store hashes of the output. Similar to how passwords should never be stored in plain text.
This sounds a lot more plausible than Google creating a chrome extension to access data they already own. This article is nonsense.