"The new A.I. chatbot will be available to a limited number of users in the United States and Britain and will accommodate additional users, countries and languages over time, Google executives said in an interview." So no, no they didn't release it.
> But Google is taking a much more circumspect approach than its competitors, which have faced criticism that they are proliferating an unpredictable and sometimes untrustworthy technology. It's interesting how they use the AI ethics excuse. Maybe the real problem is that there's isn't as good as the competition, or to their own standards, and they are being careful not to damage their brand by being so behind.
Google track record tells us they have no problem with with blurry ethic lines. They create the software for weapons, track the entire planet and were part of PRISM.
So yes, I tend to think your explanation is most likely.