Eric Schmidt describes Google+ as an "identity service" 15 years ago
Google Profiles _is_ the "identity service" that has tendrils into more than just G+ (and the banstick was swinging long before G+ hit the public). Schmidt just didn't generalize his comments enough to point out that subtle but critical difference.
But I did: https://plus.google.com/103653740605668919281/posts/iHugVQvM...