It’s pretty user-hostile to refuse to support the authentication provider the user wants to use. If I’m already in the Apple ecosystem, using Sign In with Appl

It’s pretty user-hostile to refuse to support the authentication provider the user wants to use. If I’m already in the Apple ecosystem, using Sign In with Apple, a service that doesn’t implement Sign In with Apple but could is preventing me from doing what I want, just as much as Walmart not accepting Apple Pay.