[zapzupnz]

They got in trouble for lock in. Their integration of Internet Explorer practically made out the de facto implementation and made Windows the de facto operating system on machines.

But again, Sign In with Apple sits in addition to the other offerings, it doesn’t replace them, and in no case are developers expected to be unable to offer regular sign in with email.

To my mind, you’re not wrong, but making a rather different argument.

[wayneftw]

It's not different. On Windows, everybody could always install a different browser or OS. Nobody stopped them from doing that.