[jlokier]

Both available choices "share the information with Google" for most people. The majority of email account creations use a Gmail or Google Workspace address, so Google gets the information either way, and in Europe most use Android so can't sign in with Apple.

[palata]

Again that's off topic. I'm not talking about the fact that people choose the Google SSO instead of username/password.

I'm talking about the fact that people choose to not use the service if there is no SSO.

[vel0city]

Because they don't want to have those experiences where they sigh, roll their eyes, then try and remember a password they made months ago just so they can continue using this thing they signed up for. So they just skip the service altogether.