This is a net benefit over synced passwords, which everyone already trusts them to do. You haven't been forced to use a (syncing) password manager over a physical password book in the past, and you won't be forced to use Passkeys[0] or the Android equivalent in the future; hardware security keys will still be usable since this announcement is about embracing the FIDO Standard.

0: https://developer.apple.com/documentation/authenticationserv...