> Google states that if, for example, Google Maps used PostGIS as its data store, and PostGIS used the AGPL, Google would be required to release the Google Maps code.
I can’t see that statement, or anything like it, in the linked article. Am I missing something?
You're not. The author writes "Google states" and then follows it with his own example/interpretation of Google's policy. That's really not "Google states" at all, it's "My example of Google's policy is...".
The nearest statement in TFA is the sentence beginning "Because Google’s core products are services that users interact with over a remote network interface (Search, Gmail, Maps, YouTube)...".
I can’t see that statement, or anything like it, in the linked article. Am I missing something?