In general, I really am disturbed that so many websites use my email and phone number for authentication. I use authenticator and password manager apps for a re

In general, I really am disturbed that so many websites use my email and phone number for authentication. I use authenticator and password manager apps for a reason. Using my email and phone number is both unsafe and was never approved by me. They just started doing it. Further, there's no way to turn it off.